{"id":331,"date":"2023-07-06T07:19:13","date_gmt":"2023-07-06T07:19:13","guid":{"rendered":"https:\/\/mathority.org\/ko\/%ed%95%a9%ec%9d%98-%ec%a0%9c%ea%b3%b1-%eb%98%90%eb%8a%94-%ed%95%a9%ec%9d%98-%ec%a0%9c%ea%b3%b1\/"},"modified":"2023-07-06T07:19:13","modified_gmt":"2023-07-06T07:19:13","slug":"%ed%95%a9%ec%9d%98-%ec%a0%9c%ea%b3%b1-%eb%98%90%eb%8a%94-%ed%95%a9%ec%9d%98-%ec%a0%9c%ea%b3%b1","status":"publish","type":"post","link":"https:\/\/mathority.org\/ko\/%ed%95%a9%ec%9d%98-%ec%a0%9c%ea%b3%b1-%eb%98%90%eb%8a%94-%ed%95%a9%ec%9d%98-%ec%a0%9c%ea%b3%b1\/","title":{"rendered":"\ud569\uc758 \uc81c\uacf1(\ub610\ub294 \ud569\uc758 \uc81c\uacf1)"},"content":{"rendered":"<p>\uc774 \ud398\uc774\uc9c0\uc5d0\uc11c\ub294 \ud569\uc758 \uc81c\uacf1, \uc989 \uc8fc\ubaa9\ud560\ub9cc\ud55c \ud56d\ub4f1\uc2dd (a+b) <sup>2<\/sup> \uc5d0 \ub300\ud55c \uacf5\uc2dd\uc744 \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc81c\uacf1\ud569\uc758 \uc608\uc640 \ud574\uacb0 \uc5f0\uc2b5\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac8c\ub2e4\uac00 \uc774 \ub180\ub77c\uc6b4 \uc81c\ud488\uc5d0 \uc228\uaca8\uc9c4 \uae30\ud558\ud559\uc801 \ud2b9\uc131\uc744 \ubc1c\uacac\ud558\uac8c \ub420 \uac83\uc785\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFQue-es-el-cuadrado-de-una-suma\"><\/span> \ud569\uc758 \uc81c\uacf1\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> <strong>\ud569\uc758 \uc81c\uacf1\uc740<\/strong> \uc8fc\ubaa9\ud560\ub9cc\ud55c \ud56d\ub4f1\uc2dd(\ub610\ub294 \uc8fc\ubaa9\ud560\ub9cc\ud55c \uacf1) \uc911 \ud558\ub098\uc774\ubbc0\ub85c \ub450 \uac1c\uc758 \uc81c\uacf1 \uc591\uc218\ud56d\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc774\ud56d\uc2dd\uc758 \uac70\ub4ed\uc81c\uacf1\uc744 \ube60\ub974\uac8c \uacc4\uc0b0\ud560 \uc218 \uc788\ub294 \uc218\ud559\uc801 \uaddc\uce59\uc785\ub2c8\ub2e4.<\/p>\n<p> \ub530\ub77c\uc11c \ud569\uc758 \uc81c\uacf1\uc740 \uc11c\ub85c \ub2e4\ub978 \ub450 \ud56d\uc744 \ub354\ud574 \uc81c\uacf1\ud55c \uac83\uc73c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4. \uc989, \ud569\uc758 \uc81c\uacf1\uc5d0 \ub300\ud55c \ub300\uc218\uc2dd\uc740 <strong>(a+b) <sup>2<\/sup><\/strong> \uc785\ub2c8\ub2e4.<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Formula-del-cuadrado-de-una-suma\"><\/span> \ud569\uacc4\uc758 \uc81c\uacf1\uc5d0 \ub300\ud55c \uacf5\uc2dd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uc774 \ub180\ub77c\uc6b4 \uc720\ud615\uc758 \ud56d\ub4f1\uc2dd\uc5d0 \ub300\ud55c \uc218\ud559\uc801 \uc815\uc758\uac00 \uc8fc\uc5b4\uc9c0\uba74 \uc774\uc81c <strong>\ud569\uc758 \uc81c\uacf1\uc758 \uacf5\uc2dd\uc774<\/strong> \ubb34\uc5c7\uc778\uc9c0 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/formule-pour-le-carre-dune-somme.png\" alt=\"\ud569\uc758 \uc81c\uacf1 \uacf5\uc2dd\" class=\"wp-image-2339\" width=\"269\" height=\"270\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p> \ub530\ub77c\uc11c \ud569\uc758 \uc81c\uacf1\uc740 \uccab \ubc88\uc9f8 \ud56d\uc758 \uc81c\uacf1\uc5d0 \uccab \ubc88\uc9f8 \ud56d\uacfc \ub450 \ubc88\uc9f8 \ud56d\uc758 \uacf1\uc758 \ub450 \ubc30, \ub450 \ubc88\uc9f8 \ud56d\uc758 \uc81c\uacf1\uc744 \ub354\ud55c \uac83\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \ub530\ub77c\uc11c \uc81c\uacf1\ud569\uc744 \ud480\ub824\uba74 \uac01 \ub367\uc148\uc744 2\ub85c \ub298\ub9ac\ub294 \uac83\ub9cc\uc73c\ub85c\ub294 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc73c\uba70, \ub610\ud55c \ub450 \ub367\uc148\uc744 \ud568\uaed8 \uacf1\ud558\uace0 2\ub97c \uacf1\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p> \uc81c\uacf1\uc744 \ub354\ud560 \ub54c \uac00\uc7a5 \ud754\ud788 \uc800\uc9c0\ub974\ub294 \uc2e4\uc218\ub294 \ub450 \ud56d \uc0ac\uc774\uc758 \uacf1\uc744 \uc78a\uc5b4\ubc84\ub9ac\uace0 \uc81c\uacf1\ub9cc \uacc4\uc0b0\ud558\ub294 \uac83\uc774\uae30 \ub54c\ubb38\uc5d0 \uc774\ub97c \uae30\uc5b5\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/polynomes-au-carre-dune-somme.jpg\" alt=\"\ub2e4\ud56d\uc2dd \ud569\uc758 \uc81c\uacf1\" class=\"wp-image-2342\" width=\"246\" height=\"68\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p> \uc218\uc2dd\uc5d0\uc11c \uc5b4\ub5a4 \ud56d\ub3c4 \ube7c\ub0b4\uc9c0 \ub9c8\uc138\uc694!<\/p>\n<p> \ubc18\uba74\uc5d0 \uc81c\uacf1 \ube7c\uae30(\ub610\ub294 \ube7c\uae30\uc758 \uc81c\uacf1) \uacf5\uc2dd\uc740 \ubc29\uae08 \ubcf8 \uacf5\uc2dd\uacfc \ub9e4\uc6b0 \uc720\uc0ac\ud558\uc9c0\ub9cc \uacb0\uacfc\uac00 \uc644\uc804\ud788 \ubc14\ub00c\ub294 \ucc28\uc774\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\uac83\uc774 \uc5b4\ub5bb\uac8c \uc0dd\uacbc\ub294\uc9c0 \ud655\uc2e4\ud558\uc9c0 \uc54a\ub2e4\uba74 \uc5ec\uae30\uc5d0\uc11c <strong><span style=\"text-decoration: underline;\"><a href=\"https:\/\/mathority.org\/ko\/\u110e\u1161\u110b\u1175-\u1104\u1169\u1102\u1173\u11ab-\u1108\u1162\u1100\u1175\u110b\u1174-\u110c\u1166\u1100\u1169\u11b8\/\">\uc81c\uacf1 \ube7c\uae30<\/a><\/span><\/strong> \uacf5\uc2dd\uc774 \ubb34\uc5c7\uc778\uc9c0, \uc5b4\ub5bb\uac8c \uc801\uc6a9\ub418\ub294\uc9c0 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejemplos-de-cuadrados-de-sumas\"><\/span> \ud569\uacc4 \uc81c\uacf1\uc758 \uc608<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ub2e4\uc74c\uc740 \ud569\uacc4\ub97c \uc81c\uacf1\ud558\ub294 \ubc29\ubc95\uc744 \ud655\uc778\ud560 \uc218 \uc788\ub294 \uba87 \uac00\uc9c0 \uc2e4\uc81c \uc608\uc785\ub2c8\ub2e4.<\/p>\n<h3 class=\"wp-block-heading\"> \uc2e4\uc2dc\uc608 1<\/h3>\n<ul>\n<li> \uc218\uc2dd\uc744 \uc801\uc6a9\ud558\uc5ec \ub2e4\uc74c \ud569\uacc4\uc758 \uc81c\uacf1\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9a9b2aa575ef7fa83e8bb98cbb385ac8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x+5)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"61\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \uc81c\uacf1\ud569\uc758 \uacf5\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e3c7bb69fbb939444db4e075615462f4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b)^2=a^2+2ab+b^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"184\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \uba3c\uc800 \ub9e4\uac1c\ubcc0\uc218\ub97c \uc2dd\ubcc4\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p> \uadf8\ub9ac\uace0<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f56d50c26583f9a035ff6b4e3c0ca5c0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p> \uacf5\uc2dd\uc758. \uc774 \uacbd\uc6b0,<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p> \uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ede05c264bba0eda080918aaa09c4658_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p> \uc30d\uc758 \uadf8\ub9ac\uace0<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f56d50c26583f9a035ff6b4e3c0ca5c0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p> \uc22b\uc790 5\uc5d0 \ud574\ub2f9:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5ba75b0f34f956985ea0163011a03acf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{l} (a+b)^2\\\\[2ex] (x+5)^2 \\end{array} \\color{red} \\right\\} \\quad \\color{red}\\bm{\\longrightarrow}\\quad  \\color{black} \\begin{array}{c} a=x \\\\[2ex] b=5 \\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"295\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \uae00\uc384\uc694, \uc774\uc81c \uc6b0\ub9ac\ub294<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p> \uadf8\ub9ac\uace0<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a521efcd0a946cd643aebe98b5b41a3c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b,\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"12\" style=\"vertical-align: -4px;\"><\/p>\n<p> \ub2e4\uc74c \uacf5\uc2dd\uc744 \uc801\uc6a9\ud558\uc5ec \ud569\uc758 \uc81c\uacf1\uc758 \uacb0\uacfc\ub97c \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/produits-notables-au-carre-dune-somme.jpg\" alt=\"\ud569\uacc4\uc758 \uc81c\uacf1 \uc8fc\ubaa9\ud560\ub9cc\ud55c \uc81c\ud488\" class=\"wp-image-2349\" width=\"284\" height=\"164\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<h3 class=\"wp-block-heading\"> \uc2e4\uc2dc\uc608 2<\/h3>\n<ul>\n<li> \ud569\uacc4\uc758 \uc81c\uacf1\uc5d0 \ub300\ud574 \ub2e4\uc74c \ud45c\ud604\uc2dd\uc744 \ud489\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-12067275e14b98d59e004045606f26fb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(3x+4)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"70\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \ud569\uacc4\uc758 \uc81c\uacf1 \uacf5\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e3c7bb69fbb939444db4e075615462f4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b)^2=a^2+2ab+b^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"184\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \uadf8\ub798\uc11c \uc774 \ubb38\uc81c\uc5d0\uc11c\ub294<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p> \ub2e8\ud56d\uc2dd\uc740<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-bcea841b93e6d1c6150bf94b4036ab3c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3x\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"19\" style=\"vertical-align: 0px;\"><\/p>\n<p> \uadf8\ub9ac\uace0 \ub2e4\ub978 \ud55c\ud3b8\uc73c\ub85c\ub294,<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f56d50c26583f9a035ff6b4e3c0ca5c0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p> \ub3c5\ub9bd\ud56d 4\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-89bb3514fbd79ba368588655e152e9cc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{c} a=3x \\\\[2ex] b=4 \\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"50\" width=\"52\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \ub9c8\uc9c0\ub9c9\uc73c\ub85c, \uc6b0\ub9ac\uac00 \uac00\uce58\ub97c \ud655\uc778\ud55c \ud6c4\uc5d0\ub294<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p> \uadf8\ub9ac\uace0<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f56d50c26583f9a035ff6b4e3c0ca5c0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p> , \uc6b0\ub9ac\ub294 \uc8fc\ubaa9\ud560\ub9cc\ud55c \uacf1\uc744 \ud480\uae30 \uc704\ud574 \uc81c\uacf1\ud569 \uacf5\uc2dd\uc744 \uc801\uc6a9\ud569\ub2c8\ub2e4: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ed0d9fcdbeeac2247b68789dd0268f37_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned} (3x+4)^2 &amp; =(3x)^2+2 \\cdot 3x\\cdot 4+4^2 \\\\[2ex] &amp; =9x^2+24x+16 \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"62\" width=\"256\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Demostracion-de-la-formula-del-cuadrado-de-una-suma\"><\/span> \ud569\uc758 \uc81c\uacf1\uc5d0 \ub300\ud55c \uacf5\uc2dd \uc99d\uba85<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uadf8\ub7f0 \ub2e4\uc74c \ud569\uacc4\uc758 \uc81c\uacf1\uc5d0\uc11c \ubc29\uae08 \ubcf8 \uacf5\uc2dd\uc744 \ucd94\ub860\ud558\uc5ec \uadf8\uac83\uc774 \uc5b4\ub514\uc11c \uc654\ub294\uc9c0 \uc774\ud574\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<p> \uc591\uc758 \uc774\ud56d\uc2dd\uc5d0\uc11c \uc2dc\uc791\ud558\uc5ec 2\ub85c \uc62c\ub9bc:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ef98ef741811c17cd99e75e5f848ea69_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"59\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \uc704\uc758 \uac80\uc815\ub825\uc740 \ubd84\uba85\ud788 \uc778\uc218\uc640 \ub3d9\uc77c\ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2cfde4aacc08aae1ed70fe5f7b2f74de_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"51\" style=\"vertical-align: -5px;\"><\/p>\n<p> \uc790\uccb4\uc801\uc73c\ub85c \uacf1\ud55c \uac83 :<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7b2df207ac593eaf04ac60ac40b89a7b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b)^2=(a+b)\\cdot (a+b)\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"200\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \ub530\ub77c\uc11c \ubd84\ubc30 \uc18d\uc131\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub450 \uad04\ud638\ub97c \uacf1\ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1c871c4ad6546c817128379acbef78c8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned} (a+b)\\cdot (a+b) &amp; = a\\cdot a +a\\cdot b +b\\cdot a +b\\cdot b \\\\[2ex] &amp;=a^2+ab+ba+b^2 \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"60\" width=\"325\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \ub9c8\uc9c0\ub9c9\uc73c\ub85c \uacb0\uacfc \uc6a9\uc5b4\uc5d0\uc11c \uc720\uc0ac\ud55c \uc6a9\uc5b4\ub97c \uadf8\ub8f9\ud654\ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b645fb320040c599e077b3e5bdc4b407_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a^2+ab+ba+b^2 = a^2+2ab+b^2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"256\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p> \uadf8\ub9ac\uace0 \uc6b0\ub9ac\ub294 \uc774\ubbf8 \uacf5\uc2dd\uc758 \ub2e4\ud56d\uc2dd \ud45c\ud604\uc5d0 \ub3c4\ub2ec\ud588\uc73c\ubbc0\ub85c \ub2e4\uc74c\uacfc \uac19\uc774 \uc785\uc99d\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-66c4071b50f376018a8ac9b6f3f9f5fb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b)^2= a^2+2ab+b^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"184\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \ubbff\uae30 \uc5b4\ub824\uc6b8 \uc218\ub3c4 \uc788\uc9c0\ub9cc, \ud569 \uacf5\uc2dd\uc758 \uc81c\uacf1\uc740 <a href=\"https:\/\/mathority.org\/ko\"><strong><span style=\"text-decoration: underline;\">\uc774\ucc28 \ub2e4\ud56d\uc2dd\uc744 \uc778\uc218\ubd84\ud574\ud558\ub294<\/span><\/strong><\/a> \ub370\uc5d0\ub3c4 \uc801\uc6a9\ub429\ub2c8\ub2e4. \ub2e4\ud56d\uc2dd \uc778\uc218\ubd84\ud574\ub294 \ub2e4\ud56d\uc2dd\uc758 \ud45c\ud604\uc744 \ub2e8\uc21c\ud654\ud558\uae30 \uc704\ud574 \uc218\ud559\uc5d0\uc11c \uc790\uc8fc \uc0ac\uc6a9\ub418\ub294 \uc808\ucc28\uc785\ub2c8\ub2e4. \uc704\uc758 \ub9c1\ud06c\ub97c \ud074\ub9ad\ud558\uc5ec \uc5b4\ub5bb\uac8c \uc218\ud589\ub418\ub294\uc9c0 \uc54c\uc544\ubcf4\uc138\uc694. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Interpretacion-geometrica-del-cuadrado-de-una-suma\"><\/span> \ud569\uc758 \uc81c\uacf1\uc758 \uae30\ud558\ud559\uc801 \ud574\uc11d<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uc9c0\uae08\uae4c\uc9c0 \uc6b0\ub9ac\ub294 \ud569\uc758 \uc81c\uacf1\uc774 \uc5b4\ub5bb\uac8c \uc218\ud559\uc801\uc73c\ub85c \uacc4\uc0b0\ub418\ub294\uc9c0 \uc0b4\ud3b4\ubcf4\uc558\uc9c0\ub9cc \uc774 \ub180\ub77c\uc6b4 \uacf1\uc740 \uae30\ud558\ud559\uc801\uc73c\ub85c \ud574\uc11d\ub420 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \ub2e4\uc74c \uc815\uc0ac\uac01\ud615\uc744 \ubcf4\uc138\uc694. \uac01 \ubcc0\uc758 \ud06c\uae30\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5f03f5d7b3d514b94a628f988975c108_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a+b:\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"48\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/carre-geometrique-interpretation-d-une-somme.jpg\" alt=\"\ud569\uacc4\uc758 \uc815\uc0ac\uac01\ud615 \uae30\ud558\ud559\uc801 \ud574\uc11d\" class=\"wp-image-2364\" width=\"282\" height=\"289\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p> \uc815\uc0ac\uac01\ud615\uc758 \uba74\uc801\uc740 \ud55c \ubcc0\uc758 \uc81c\uacf1\uc758 \uae38\uc774\uc640 \uac19\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc774\uc804 \uc0ac\uac01\ud615\uc758 \uce21\uba74\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-45dc37f5e6c04130e5e7cdc375a9fc8d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a+b,\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"43\" style=\"vertical-align: -4px;\"><\/p>\n<p> \uadf8 \uba74\uc801 (\ub610\ub294 \ud45c\uba74)\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b02b123bc26be5152c4a9917a6cb9539_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b)^2.\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"63\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \uc74c, \uc815\uc0ac\uac01\ud615 \ud45c\ud604\uc5d0\uc11c \ubcfc \uc218 \uc788\ub4ef\uc774, \uba74\uc801\uc774 \ub2e4\uc74c\uacfc \uac19\uc740 \uc815\uc0ac\uac01\ud615\uc785\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d3fbbc716a20a1a8e5fb339ee863ef14_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a^2,\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"21\" style=\"vertical-align: -4px;\"><\/p>\n<p> \ub450 \uc601\uc5ed\uc73c\ub85c \uad6c\uc131\ub41c \uc9c1\uc0ac\uac01\ud615<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a8d53cd0a9beed89b01eb3a3d6b7ff79_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"ab,\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"21\" style=\"vertical-align: -4px;\"><\/p>\n<p> \uadf8\ub9ac\uace0 \ub610 \ub2e4\ub978 \uc815\uc0ac\uac01\ud615\uc758 \ud45c\uba74<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c3a795dbae63ac6ae2905fa73468f6dc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b^2.\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"19\" style=\"vertical-align: 0px;\"><\/p>\n<p> \ub530\ub77c\uc11c \uc81c\uacf1\ud569 \uacf5\uc2dd\uc740 \uae30\ud558\ud559\uc801 \uad00\uc810\uc5d0\uc11c\ub3c4 \ucda9\uc871\ub429\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e3c7bb69fbb939444db4e075615462f4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b)^2=a^2+2ab+b^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"184\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejercicios-resueltos-del-cuadrado-de-una-suma\"><\/span> \ud569\uc758 \uc81c\uacf1 \ubb38\uc81c \ud574\uacb0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uadf8\ub7f0 \ub2e4\uc74c \uc5f0\uc2b5\uc744 \ud1b5\ud574 \uac1c\ub150 \uc774\ud574\ub97c \uc644\ub8cc\ud560 \uc218 \uc788\ub3c4\ub85d \ub2e8\uacc4\ubcc4\ub85c \uba87 \uac00\uc9c0 \uc81c\uacf1\ud569 \uc5f0\uc2b5 \ubb38\uc81c\ub97c \ud480\uc5b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ubaa8\ub4e0 \uc9c8\ubb38\uc744 \ub313\uae00\ub85c \uc801\uc5b4\uc8fc\uc2dc\uba74 \uae30\uaebc\uc774 \ub2f5\ubcc0\ud574 \ub4dc\ub9ac\uaca0\uc2b5\ub2c8\ub2e4. \ud83d\udcad\ud83d\udcad\ud83d\udcad<\/p>\n<h3 class=\"wp-block-heading\"> \uc5f0\uc2b5 1<\/h3>\n<p> \ub2e4\uc74c \ud569\uacc4\uc758 \uc81c\uacf1\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9229e4ae2034182594cea6b72883a61e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{A)} \\ (x+3)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"88\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e9db6436020d25d8dde919b5db5071d7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{B)} \\ (2+6x)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"96\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-55d230fdf4d87dfb39f5427089c4bcd0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{C)} \\ \\left(x^2+7\\right)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"26\" width=\"100\" style=\"vertical-align: -7px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8858ec9b4957c47679e682ab433bd75d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{D)} \\ (5x+8y)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"106\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__DDF5FF\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#DDF5FF\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\ud574\uacb0\ucc45 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \ubb38\uc81c\uc758 \ubaa8\ub4e0 \uc8fc\ubaa9\ud560\ub9cc\ud55c \uc815\uccb4\uc131\uc744 \ud574\uacb0\ud558\ub824\uba74 \ud569\uacc4\uc758 \uc81c\uacf1\uc5d0 \ub300\ud55c \uacf5\uc2dd\uc744 \uc801\uc6a9\ud558\ub294 \uac83\uc73c\ub85c \ucda9\ubd84\ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e3c7bb69fbb939444db4e075615462f4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b)^2=a^2+2ab+b^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"184\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-571dada676a093b9b625887a09615b5c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{A)} \\ \\begin{aligned}(x+3)^2&amp; =x^2+2\\cdot x\\cdot 3 +3^2\\\\[2ex] &amp; = \\bm{x^2+6x +9}\\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"63\" width=\"248\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8d696f9e8ea8a9246922a0aa132d7e24_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{B)} \\ \\begin{aligned}(2+6x)^2 &amp; =2^2+2\\cdot 2\\cdot 6x +(6x)^2\\\\[2ex] &amp; = \\bm{4+24x+36x^2}\\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"63\" width=\"288\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-62f7ef68fc47d45958f6a10dbfe3f512_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{C)} \\ \\begin{aligned}\\left(x^2+7\\right)^2 &amp; = \\left(x^2\\right)^2+2\\cdot x^2\\cdot 7 +7^2\\\\[2ex] &amp; = \\bm{x^4+14x^2 +49}\\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"66\" width=\"290\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2fdf798e7d585cdbc2bbeb0417bfc62a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{D)} \\ \\begin{aligned}(5x+8y)^2 &amp; =(5x)^2+2\\cdot 5x\\cdot 8y +(8y)^2\\\\[2ex] &amp; = \\bm{25x^2+80xy+64y^2}\\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"331\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\uc5f0\uc2b5 2<\/h3>\n<p> \ub2e4\uc74c \uacf5\uc2dd\uc744 \uc801\uc6a9\ud558\uc5ec \ub450 \ud56d\uc758 \uc81c\uacf1\ud569\uc744 \ud489\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-cde71610badce0bddaa952e68411ea3c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{A)} \\ \\left(4x^2+2y^3\\right)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"26\" width=\"127\" style=\"vertical-align: -7px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-097f1d298bc8e31ba41fc8163e310c6e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{B)} \\ \\displaystyle \\left(\\sqrt{2x}+\\sqrt{8x}\\right)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"35\" width=\"146\" style=\"vertical-align: -11px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b432940794af539924a002fac6533134_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{C)} \\ \\displaystyle \\left(\\frac{4}{3}x^2+\\frac{3}{2}x\\right)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"47\" width=\"137\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__DDF5FF\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#DDF5FF\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\ud574\uacb0\ucc45 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \ubb38\uc81c\uc758 \uc8fc\ubaa9\ud560\ub9cc\ud55c \ubaa8\ub4e0 \uacf1\uc744 \uacc4\uc0b0\ud558\ub824\uba74 \uc81c\uacf1\ud569 \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e3c7bb69fbb939444db4e075615462f4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b)^2=a^2+2ab+b^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"184\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b8eaa03c68adc376819c5e12081f6d39_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{A)} \\ \\begin{aligned}\\left(4x^2+2y^3\\right)^2 &amp; =\\left(4x^2\\right)^2+2\\cdot 4x^2\\cdot 2y^3 +\\left(2y^3\\right)^2\\\\[2ex] &amp; = \\bm{16x^4+16x^2y^3+4y^6}\\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"68\" width=\"384\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc139\uc158 B)\uc5d0\uc11c\ub294 \uadfc\uc744 \uc81c\uacf1\ud558\uba74 \ub2e8\uc21c\ud654\ub41c\ub2e4\ub294 \uc810\uc744 \uae30\uc5b5\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a38b1df7ca331cb002253d52eb008608_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{B)} \\ \\begin{aligned}\\left(\\sqrt{2x}+\\sqrt{8x}\\right)^2 &amp; =\\left(\\sqrt{2x}\\right)^2+2\\cdot \\sqrt{2x}\\cdot \\sqrt{8x} +\\left(\\sqrt{8x}\\right)^2\\\\[2ex] &amp; =2x+2\\sqrt{2x\\cdot 8x} +8x \\\\[2ex] &amp; = 10x+2\\sqrt{16x^2} \\\\[2ex] &amp;= 10x+2\\cdot 4x = \\\\[2ex] &amp; = 10x +8x \\\\[2ex] &amp; = \\bm{18x}\\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"247\" width=\"443\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub9c8\uc9c0\ub9c9 \uc81c\uacf1\ud569\uc758 \ub2e8\ud56d\uc2dd\uc740 \ubd84\uc218 \uacc4\uc218\ub97c \uac00\uc9c0\ubbc0\ub85c \uc774\ub97c \ud574\uacb0\ud558\ub824\uba74 \ubd84\uc218\uc758 \uc18d\uc131\ub3c4 \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c50dcca740e334b34f746e71f4af826e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{C)} \\ \\displaystyle \\begin{aligned} \\left(\\frac{4}{3}x^2+\\frac{3}{2}x\\right)^2 &amp; = \\left(\\frac{4}{3}x^2\\right)^2+2\\cdot \\frac{4}{3}x^2\\cdot \\frac{3}{2}x +\\left(\\frac{3}{2}x\\right)^2\\\\[2ex] &amp; = \\frac{4^2}{3^2}x^4+2\\cdot \\frac{12}{6}x^3 +\\frac{3^2}{2^2}x^2 \\\\[2ex] &amp;= \\frac{16}{9}x^4 +2\\cdot 2x^3+\\frac{9}{4}x^2 \\\\[2ex] &amp; = \\mathbf{\\frac{16}{9}} \\bm{x^4+4x^3+}\\mathbf{\\frac{9}{4}}\\bm{x^2}\\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"222\" width=\"416\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\uc5f0\uc2b5 3<\/h3>\n<p> \uacc4\uc0b0\uae30\ub97c \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uace0 \ud569\uacc4\uc758 \uc81c\uacf1 \uacf5\uc2dd\uc744 \uc801\uc6a9\ud558\uc5ec \ub2e4\uc74c \uac70\ub4ed\uc81c\uacf1\uc744 \uad6c\ud569\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-86db45137cb4792d046d171c28662c90_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"17^2\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"24\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__DDF5FF\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#DDF5FF\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\ud574\uacb0\ucc45 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \uc6b0\uc120, \uc22b\uc790 17\uc740 10 \ub354\ud558\uae30 7\uc758 \ud569\uc73c\ub85c \ub098\ub20c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-55dc7f45d8d495163afd5d22d2c612ce_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"17^2=(10+7)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"117\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uadf8\ub798\uc11c \uc6b0\ub9ac\ub294 \uc804\ub825\uc744 \uc81c\uacf1\ud569\uc73c\ub85c \ubcc0\ud658\ud588\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc774\uc81c \ud574\ub2f9 \uacf5\uc2dd\uc744 \uc801\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-83e35048f0ae6ae12bc2b5b3d761fb99_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned}(10+7)^2 &amp; = 10^2+2\\cdot 10 \\cdot 7 +7^2 \\\\[2ex] &amp; =100+140+49\\\\[2ex] &amp; =289 \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"100\" width=\"238\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc989, \uac15\ud654\uc758 \uacb0\uacfc\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d13bfdf83060795d27403604f251047d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"17^2=\\bm{289}\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"75\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc774 \uc5f0\uc2b5\uc5d0\uc11c \ubcf4\uc558\ub4ef\uc774, \uc81c\uacf1\ud569 \uacf5\uc2dd\uc740 \uacc4\uc0b0\uae30\ub97c \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uace0 \ud070 \uc22b\uc790\uc758 \uac70\ub4ed\uc81c\uacf1\uc744 \uacc4\uc0b0\ud558\ub294 \ub370\uc5d0\ub3c4 \uc720\uc6a9\ud569\ub2c8\ub2e4. <\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cuadrado-de-una-suma-de-3-terminos\"><\/span> 3\ud56d\uc758 \ud569\uc758 \uc81c\uacf1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ub54c\ub54c\ub85c \uc6b0\ub9ac\ub294 \uc138 \uac1c\uc758 \ub354\ud574\uc9c4 \ud56d\uc758 \uc81c\uacf1, \uc989 (a+b+c) <sup>2 \ub97c<\/sup> \ud480\uc5b4\uc57c \ud560 \ub54c\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ub17c\ub9ac\uc801\uc73c\ub85c \uc774\ub7ec\ud55c \uacbd\uc6b0\uc5d0\ub294 \uc6b0\ub9ac\uac00 \uc124\uba85\ud55c \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uc65c\ub0d0\ud558\uba74 \uad04\ud638 \uc548\uc5d0 \uc774\ud56d\uc2dd \ub300\uc2e0 \uc0bc\ud56d\uc2dd\uc774 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub2e4\ub978 \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p> <strong>3\ud56d\uc758 \ud569\uc744 \uc81c\uacf1\ud558\ub294 \uacf5\uc2dd\uc740<\/strong> \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-547cbf526b192d07d188c703a68f12e4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\definecolor{blauquadreejemplo}{HTML}{ff5733}  \\newtcbox{\\mymath}[1][]{%     nobeforeafter, math upper, tcbox raise base,     enhanced, colframe=blauquadreejemplo,      boxrule=1.2pt, boxsep=2.5mm,     #1} \\begin{empheq}[box={\\mymath[colback=white, shadow={2.5mm}{-2.5mm}{0mm}{blauquadreejemplo!20!white,} ]}]{equation*}     (a+b+c)^2 = a^2+2a(b+c)+b^2+2bc+c^2 \\end{empheq}\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"294\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \uc608\uc81c\ub97c \ud1b5\ud574 \uc774 \uacf5\uc2dd\uc774 \uc5b4\ub5bb\uac8c \uc801\uc6a9\ub418\ub294\uc9c0 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d0816bbe156553fc1ef5920ac2b2e09f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned} (2x+3y+5)^2 &amp; = (2x)^2 + 2\\cdot 2x (3y+5)+(3y)^2+2\\cdot  3y \\cdot 5 + 5^2 \\\\[2ex] &amp; =4x^2 +4x (3y+5)+9y^2+30y +25 \\\\[2ex] &amp;=4x^2 +12xy+20x+9y^2+30y +25 \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"108\" width=\"481\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \ubcf4\uc2dc\ub2e4\uc2dc\ud53c \uc218\uc2dd\uc5d0 \uc694\uc18c \ud558\ub098\ub97c \ucd94\uac00\ud558\uba74 \uacb0\uacfc\uac00 \ud6e8\uc52c \ub354 \ubcf5\uc7a1\ud574\uc9d1\ub2c8\ub2e4.<\/p>\n<div id=\"ezoic-pub-ad-placeholder-176\" data-inserter-version=\"-1\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\uc774 \ud398\uc774\uc9c0\uc5d0\uc11c\ub294 \ud569\uc758 \uc81c\uacf1, \uc989 \uc8fc\ubaa9\ud560\ub9cc\ud55c \ud56d\ub4f1\uc2dd (a+b) 2 \uc5d0 \ub300\ud55c \uacf5\uc2dd\uc744 \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc81c\uacf1\ud569\uc758 \uc608\uc640 \ud574\uacb0 \uc5f0\uc2b5\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac8c\ub2e4\uac00 \uc774 \ub180\ub77c\uc6b4 \uc81c\ud488\uc5d0 \uc228\uaca8\uc9c4 \uae30\ud558\ud559\uc801 \ud2b9\uc131\uc744 \ubc1c\uacac\ud558\uac8c \ub420 \uac83\uc785\ub2c8\ub2e4. \ud569\uc758 \uc81c\uacf1\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c? \ud569\uc758 \uc81c\uacf1\uc740 \uc8fc\ubaa9\ud560\ub9cc\ud55c \ud56d\ub4f1\uc2dd(\ub610\ub294 \uc8fc\ubaa9\ud560\ub9cc\ud55c \uacf1) \uc911 \ud558\ub098\uc774\ubbc0\ub85c \ub450 \uac1c\uc758 \uc81c\uacf1 \uc591\uc218\ud56d\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc774\ud56d\uc2dd\uc758 \uac70\ub4ed\uc81c\uacf1\uc744 \ube60\ub974\uac8c \uacc4\uc0b0\ud560 \uc218 \uc788\ub294 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ko\/%ed%95%a9%ec%9d%98-%ec%a0%9c%ea%b3%b1-%eb%98%90%eb%8a%94-%ed%95%a9%ec%9d%98-%ec%a0%9c%ea%b3%b1\/\"> <span class=\"screen-reader-text\">\ud569\uc758 \uc81c\uacf1(\ub610\ub294 \ud569\uc758 \uc81c\uacf1)<\/span> \ub354 \ubcf4\uae30 &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[11],"tags":[],"class_list":["post-331","post","type-post","status-publish","format-standard","hentry","category-11"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\ud569\uc758 \uc81c\uacf1(\ub610\ub294 \uc81c\uacf1\ud569) - Mathority<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mathority.org\/ko\/\ud569\uc758-\uc81c\uacf1-\ub610\ub294-\ud569\uc758-\uc81c\uacf1\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\ud569\uc758 \uc81c\uacf1(\ub610\ub294 \uc81c\uacf1\ud569) - Mathority\" \/>\n<meta property=\"og:description\" content=\"\uc774 \ud398\uc774\uc9c0\uc5d0\uc11c\ub294 \ud569\uc758 \uc81c\uacf1, \uc989 \uc8fc\ubaa9\ud560\ub9cc\ud55c \ud56d\ub4f1\uc2dd (a+b) 2 \uc5d0 \ub300\ud55c \uacf5\uc2dd\uc744 \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc81c\uacf1\ud569\uc758 \uc608\uc640 \ud574\uacb0 \uc5f0\uc2b5\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac8c\ub2e4\uac00 \uc774 \ub180\ub77c\uc6b4 \uc81c\ud488\uc5d0 \uc228\uaca8\uc9c4 \uae30\ud558\ud559\uc801 \ud2b9\uc131\uc744 \ubc1c\uacac\ud558\uac8c \ub420 \uac83\uc785\ub2c8\ub2e4. \ud569\uc758 \uc81c\uacf1\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c? \ud569\uc758 \uc81c\uacf1\uc740 \uc8fc\ubaa9\ud560\ub9cc\ud55c \ud56d\ub4f1\uc2dd(\ub610\ub294 \uc8fc\ubaa9\ud560\ub9cc\ud55c \uacf1) \uc911 \ud558\ub098\uc774\ubbc0\ub85c \ub450 \uac1c\uc758 \uc81c\uacf1 \uc591\uc218\ud56d\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc774\ud56d\uc2dd\uc758 \uac70\ub4ed\uc81c\uacf1\uc744 \ube60\ub974\uac8c \uacc4\uc0b0\ud560 \uc218 \uc788\ub294 &hellip; \ud569\uc758 \uc81c\uacf1(\ub610\ub294 \ud569\uc758 \uc81c\uacf1) \ub354 \ubcf4\uae30 &raquo;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mathority.org\/ko\/\ud569\uc758-\uc81c\uacf1-\ub610\ub294-\ud569\uc758-\uc81c\uacf1\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-06T07:19:13+00:00\" \/>\n<meta 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