{"id":327,"date":"2023-07-06T08:26:38","date_gmt":"2023-07-06T08:26:38","guid":{"rendered":"https:\/\/mathority.org\/ko\/%ec%9d%b8%ec%9e%90-%ec%a0%95%eb%a6%ac\/"},"modified":"2023-07-06T08:26:38","modified_gmt":"2023-07-06T08:26:38","slug":"%ec%9d%b8%ec%9e%90-%ec%a0%95%eb%a6%ac","status":"publish","type":"post","link":"https:\/\/mathority.org\/ko\/%ec%9d%b8%ec%9e%90-%ec%a0%95%eb%a6%ac\/","title":{"rendered":"\uc778\uc790\uc815\ub9ac"},"content":{"rendered":"<p>\uc774 \ud398\uc774\uc9c0\uc5d0\uc11c\ub294 \uc778\uc790 \uc815\ub9ac\uac00 \ubb34\uc5c7\uc778\uc9c0 \uc124\uba85\ud569\ub2c8\ub2e4. \ub610\ud55c, \uc778\uc218 \uc815\ub9ac\uac00 \ub2e4\ud56d\uc2dd\uc758 \ub098\ub217\uc148, \uadfc \ucc3e\uae30, \ub2e4\ud56d\uc2dd \uc778\uc218\ubd84\ud574 \ub4f1\uc758 \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub418\ub294 \uac83\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ub9c8\uc9c0\ub9c9\uc73c\ub85c, \uc778\uc790 \uc815\ub9ac\uc5d0 \ub300\ud55c \ub2e8\uacc4\ubcc4 \uc5f0\uc2b5\uc744 \ud1b5\ud574 \uc5f0\uc2b5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFQue-es-el-teorema-del-factor\"><\/span> \uc778\uc790 \uc815\ub9ac\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c? <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"has-background\" style=\"background-color:#ffebee\"> \uc218\ud559\uc5d0\uc11c <strong>\uc778\uc218 \uc815\ub9ac\ub294<\/strong> P(a)=0\uc778 \uacbd\uc6b0\uc5d0\ub9cc \ub2e4\ud56d\uc2dd P(x)\uac00 (xa) \ud615\uc2dd\uc758 \ub2e4\ub978 \ub2e4\ud56d\uc2dd\uc73c\ub85c \ub098\ub204\uc5b4\uc9c4\ub2e4\uace0 \ub9d0\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\/theoreme-des-facteurs.jpg\" alt=\"\uc778\uc790 \uc815\ub9ac\" class=\"wp-image-2179\" width=\"247\" height=\"247\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p> \ub9c8\ucc2c\uac00\uc9c0\ub85c, \uc778\uc790 \uc815\ub9ac\uc758 \uacb0\uacfc\ub85c, \ub2e4\ud56d\uc2dd P(x)\uac00 (x\u2212a) \ud56d\uc73c\ub85c \ub098\ub204\uc5b4\uc9c0\uba74 \uac12 a\uac00 \ub2e4\ud56d\uc2dd P( x\uc758 \uadfc(\ub610\ub294 0)\uc784\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. ) .<\/p>\n<p> \ud558\ub098\uc758 \ub2e4\ud56d\uc2dd\uc774 \ub2e4\ub978 \ub2e4\ud56d\uc2dd\uc73c\ub85c \ub098\ub204\uc5b4\uc9c4\ub2e4\ub294 \uac83\uc740 \ub450 \ub2e4\ud56d\uc2dd \uc0ac\uc774\uc758 \ub098\ub217\uc148\uc758 \ub098\uba38\uc9c0(\ub610\ub294 \ub098\uba38\uc9c0)\uac00 0\uacfc \uac19\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc774 \uac1c\ub150\uc744 \uc644\uc804\ud788 \uae30\uc5b5\ud558\uc9c0 \ubabb\ud558\ub294 \uacbd\uc6b0 \ub2e4\uc74c \ub9c1\ud06c\uc5d0\uc11c <a href=\"https:\/\/mathority.org\/ko\/\u1103\u1161\u1112\u1161\u11bc\u1109\u1175\u11a8\u110b\u1174-\u1102\u1161\u1102\u116e\u11ba\u1109\u1166\u11b7-\u110b\u1168\u110c\u1166-\u1111\u116e\u11af\u1100\u1175-\u110b\u1167\u11ab\u1109\u1173\u11b8-\u1102\u1161\u1102\u116e\u1100\u1175\/\"><strong><span style=\"text-decoration: underline;\">\ub2e4\ud56d\uc2dd \ub098\ub217\uc148\uc758 \uc608\ub97c<\/span><\/strong><\/a> \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ub2e4\ud56d\uc2dd\uc744 \ub098\ub217\uc148\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \uc124\uba85\uacfc \ub2e8\uacc4\ubcc4\ub85c \ud574\uacb0\ub418\ub294 \uc5f0\uc2b5 \ubb38\uc81c\ub3c4 \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejemplos-del-teorema-del-factor\"><\/span> \uc778\uc218 \uc815\ub9ac \uc608<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uc774\uc81c \uc6b0\ub9ac\ub294 \uc778\uc790 \uc815\ub9ac\uc758 \uc218\ud559\uc801 \uc815\uc758\ub97c \uc54c\uc558\uc73c\ub2c8, \uadf8\uac83\uc774 \uc5b4\ub5bb\uac8c \uc801\uc6a9\ub418\ub294\uc9c0 \uc54c\uc544\ubcf4\uae30 \uc704\ud574 \uba87 \uac00\uc9c0 \uc608\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h3 class=\"wp-block-heading\"> \uc2e4\uc2dc\uc608 1<\/h3>\n<p> \uc778\uc218 \uc815\ub9ac\uc758 \ud55c \uac00\uc9c0 \uc801\uc6a9\uc740 \uc8fc\uc5b4\uc9c4 \ub2e4\ud56d\uc2dd\uc774 <strong><span style=\"text-decoration: underline;\"><a href=\"https:\/\/mathority.org\/ko\/\u110b\u1175\u1112\u1161\u11bc\u1109\u1175\u11a8\/\">\uc774\ud56d\uc2dd<\/a><\/span><\/strong> \uc73c\ub85c \ub098\ub204\uc5b4\uc9c0\ub294\uc9c0 \uc5ec\ubd80\ub97c \uc54c\uc544\ub0b4\ub294 \uac83\uc785\ub2c8\ub2e4. \uc778\uc790 \uc815\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774\uac83\uc774 \uc5b4\ub5bb\uac8c \uc218\ud589\ub418\ub294\uc9c0\uc5d0 \ub300\ud55c \uc608\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li> \ub2e4\ud56d\uc2dd P(x)\uac00 \uc774\ud56d\uc2dd Q(x)\ub85c \ub098\ub204\uc5b4\uc9c0\ub294\uc9c0 \uc5ec\ubd80\ub97c \ud655\uc778\ud569\ub2c8\ub2e4. \ub450 \uac00\uc9c0 \ubaa8\ub450 \ub2e4\uc74c\uacfc \uac19\uc2b5\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-67a5b0b8df744da98b4d71433f73c9e0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(x)=x^2-4x+3 \\qquad \\qquad Q(x)=x-1\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"323\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \uccab\uc9f8, \uc81c\uc218 \ub2e4\ud56d\uc2dd Q(x)\ub294 (xa) \uc720\ud615\uc758 \ub2e4\ud56d\uc2dd\uc774\ubbc0\ub85c \uc778\uc218 \uc815\ub9ac\ub97c \uc801\uc6a9\ud558\uc5ec \ubb38\uc81c\ub97c \ud574\uacb0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \ub530\ub77c\uc11c P(x)\ub97c Q(x)\ub85c \ub098\ub20c \uc218 \uc788\ub294\uc9c0 \ud655\uc778\ud558\ub824\uba74 x=1\uc5d0 \ub300\ud55c \ub2e4\ud56d\uc2dd P(x)\uc758 \uc218\uce58 \uac12\uc744 \uacc4\uc0b0\ud574\uc57c \ud569\ub2c8\ub2e4. 1\uc740 \ubd80\ud638\uac00 \ubcc0\uacbd\ub41c \ub098\ub217\uc148 \ub2e4\ud56d\uc2dd\uc758 \ub3c5\ub9bd\ud56d\uc774\uae30 \ub54c\ubb38\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-00216efc4a2e53b0b38de1175e73a5bd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned} P(1) &amp; =1^2-4\\cdot 1+3 \\\\[2ex] &amp; = 1-4+3 \\\\[2ex] &amp; = 0 \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"100\" width=\"159\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> x = 1\uc5d0\uc11c \ub2e4\ud56d\uc2dd P(x)\uc758 \uc218\uce58 \uac12\uc740 0\uc744 \uc81c\uacf5\ud558\ubbc0\ub85c \uc778\uc218 \uc815\ub9ac\uc5d0 \ub530\ub77c P(x)\ub294 Q(x)\ub85c \ub098\ub20c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc989, \ub458 \ub2e4\ub85c \ub098\ub208 \ub098\uba38\uc9c0\ub294 null\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<p> 2\uac1c\uc758 \ub2e4\ud56d\uc2dd\uc744 <strong><span style=\"text-decoration: underline;\"><a href=\"https:\/\/mathority.org\/ko\/\u1100\u1172\u110e\u1175\u11a8-\u1112\u1162\u1100\u1167\u11af-\u110b\u1168-\u1105\u116e\u1111\u1175\u1102\u1175-\u110b\u1167\u11ab\u1109\u1173\u11b8\/\">Ruffini\uc758 \uc815\ub9ac<\/a><\/span><\/strong> \ub85c \ub098\ub204\uc5b4 \ub098\ub214\uc131 \uc870\uac74\uc774 \ucda9\uc871\ub418\ub294\uc9c0 \ud655\uc778\ud560 \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\/theoreme-factoriel-exercices-resolus-pdf.jpg\" alt=\"\uc778\uc790 \uc815\ub9ac\ub294 \uc628\ub77c\uc778\uc5d0\uc11c PDF \uc5f0\uc2b5 \ubb38\uc81c\ub97c \ud574\uacb0\ud588\uc2b5\ub2c8\ub2e4.\" class=\"wp-image-2189\" width=\"172\" height=\"130\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p> \uc774 \uc608\uc5d0\uc11c \ubcfc \uc218 \uc788\ub4ef\uc774 \uc778\uc790 \uc815\ub9ac\ub294 \ub098\uba38\uc9c0(\ub610\ub294 \ub098\uba38\uc9c0) \uc815\ub9ac\uc758 \ud2b9\ubcc4\ud55c \uacbd\uc6b0\uc785\ub2c8\ub2e4. <strong><span style=\"text-decoration: underline;\"><a href=\"https:\/\/mathority.org\/ko\/\u1102\u1161\u1106\u1165\u110c\u1175-\u110c\u1165\u11bc\u1105\u1175\u110b\u1174-\u110b\u1168\u110b\u116a-\u110b\u1167\u11ab\u1109\u1173\u11b8-\u1106\u116e\u11ab\u110c\u1166-\u1112\u1162\u1100\u1167\u11af\/\">\ub098\uba38\uc9c0 \uc815\ub9ac\uac00<\/a><\/span><\/strong> \ubb34\uc5c7\uc778\uc9c0 \uc124\uba85\ud558\ub294 \uc774 \uae00\uc744 \ub0a8\uae41\ub2c8\ub2e4. \ub610\ud55c \uc774\ub97c \ud1b5\ud574 \ud574\uacb0\ub41c \uc608\uc81c\uc640 \uc5f0\uc2b5 \ubb38\uc81c\ub3c4 \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub9ac\uace0, \uac8c\ub2e4\uac00 \ub098\uba38\uc9c0 \uc815\ub9ac\uc640 \uc778\uc790 \uc815\ub9ac\uc758 \ucc28\uc774\uac00 \ubb34\uc5c7\uc778\uc9c0\ub3c4 \uc54c \uc218 \uc788\uac8c \ub429\ub2c8\ub2e4.<\/p>\n<h3 class=\"wp-block-heading\"> \uc2e4\uc2dc\uc608 2<\/h3>\n<p> \uc778\uc218 \uc815\ub9ac\ub294 \ub2e4\ud56d\uc2dd\uc758 \uadfc(\ub610\ub294 0)\uc744 \ucc3e\ub294 \ub370\uc5d0\ub3c4 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ubd84\uba85\ud788 \uc774\ub7ec\ud55c \uc720\ud615\uc758 \ubb38\uc81c\ub97c \uc774\ud574\ud558\ub824\uba74 <a href=\"https:\/\/mathority.org\/ko\/\u1103\u1161\u1112\u1161\u11bc\u1109\u1175\u11a8\u110b\u1174-\u1100\u1173\u11ab\/\"><strong><span style=\"text-decoration: underline;\">\ub2e4\ud56d\uc2dd\uc758 \uadfc\uc774 \ubb34\uc5c7\uc778\uc9c0<\/span><\/strong><\/a> \uc54c\uc544\uc57c \ud569\ub2c8\ub2e4. \uc544\uc9c1\ub3c4 \uc774 \uac1c\ub150\uc744 \uc774\ud574\ud558\uc9c0 \ubabb\ud55c\ub2e4\uba74 \ub9c1\ud06c\ub41c \ud398\uc774\uc9c0\ub97c \ucc38\uc870\ud558\uc138\uc694. \uc790\uc138\ud788 \uc124\uba85\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \uc774\uc81c \ub2e4\ud56d\uc2dd\uc758 \uadfc\uc744 \ucc3e\uae30 \uc704\ud574 \uc778\uc790 \uc815\ub9ac\uac00 \uc5b4\ub5bb\uac8c \uc801\uc6a9\ub418\ub294\uc9c0 \uc608\ub97c \ud1b5\ud574 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li> \ub2e4\ud56d\uc2dd P(x)\uac00 \uc8fc\uc5b4\uc9c0\uba74 \uadfc \uc911 \ud558\ub098\uac00 x=2\uc778\uc9c0 \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-c3d4052b7ff040dd41473d225569289b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(x)=x^3-3x^2+5x-6\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"199\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \uc778\uc790 \uc815\ub9ac\ub97c \uc801\uc6a9\ud558\uba74 x=2\ub77c\ub294 \ud56d\uc740 x=2\uc5d0 \ub300\ud55c P(x)\uc758 \uc218\uce58 \uac12\uc774 0\uc778 \uacbd\uc6b0\uc5d0\ub9cc \ub2e4\ud56d\uc2dd P(x)\uc758 \uadfc\uc774 \ub429\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc6b0\ub9ac\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc22b\uc790 \uac12\uc744 \ucc3e\uc544\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-82d50f0361613cb6c540051f8da4bc20_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned} P(2) &amp; =2^3-3\\cdot 2^2+5\\cdot 2-6 \\\\[2ex] &amp; = 8-3\\cdot 4 +5\\cdot 2 -6\\\\[2ex] &amp; = 8-12+10-6 \\\\[2ex] &amp; = 0\\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"142\" width=\"219\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \uc2e4\uc81c\ub85c \ub2e4\ud56d\uc2dd P(x)\uc758 \uc218\uce58 \uac12\uc740 x=2\uc5d0\uc11c \uc0ac\ub77c\uc9c0\ubbc0\ub85c \uc778\uc218 \uc815\ub9ac \ub355\ubd84\uc5d0 x=2\uac00 \ub2e4\ud56d\uc2dd P(x)\uc758 \uadfc\uc784\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Factorizacion-de-polinomios-utilizando-el-teorema-del-factor\"><\/span> \uc778\uc218 \uc815\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub2e4\ud56d\uc2dd \uc778\uc218\ubd84\ud574<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uc778\uc790 \uc815\ub9ac\uc758 \ub610 \ub2e4\ub978 \uc751\uc6a9\uc740 <strong>\ub2e4\ud56d\uc2dd\uc758 \uc778\uc218\ubd84\ud574<\/strong> \uc785\ub2c8\ub2e4. \uadf8\uac83\uc774 \ubb34\uc5c7\uc778\uc9c0 \ubaa8\ub974\ub294 \uacbd\uc6b0, \ub2e4\ud56d\uc2dd\uc744 \uc778\uc218\ubd84\ud574\ud55c\ub2e4\ub294 \uac83\uc740 \ub2e4\ud56d\uc2dd\uc758 \ud45c\ud604\uc744 \uc778\uc218\uc758 \uacf1\uc73c\ub85c \ubcc0\ud658\ud558\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc989, \ub2e4\ud56d\uc2dd\uc744 \uc778\uc218\ubd84\ud574\ud558\uba74 \ub300\uc218\uc801 \ud45c\ud604\uc774 \ub2e8\uc21c\ud654\ub429\ub2c8\ub2e4.<\/p>\n<p class=\"has-background\" style=\"background-color:#ffebee\"> \ub530\ub77c\uc11c, \uacc4\uc2b9 \uc815\ub9ac\ub294 \ub2e4\ud56d\uc2dd P(x)\uac00 \uc8fc\uc5b4\uc9c4 \uac12 a\uc5d0 \ub300\ud574 P(a)=0\uc744 \ucda9\uc871\ud558\uba74 \ud574\ub2f9 \ub2e4\ud56d\uc2dd\uc758 \ud45c\ud604\uc774 \uacf1 P(x)=(xa)\u00b7 Q(\ub85c \uc778\uc218\ubd84\ud574\ub420 \uc218 \uc788\uc74c\uc744 \ud655\ub9bd\ud569\ub2c8\ub2e4. x), \uc5ec\uae30\uc11c Q(x)\ub294 \ub2e4\ud56d\uc2dd P(x)\ub97c (xa)\ub85c \ub098\ub208 \uacb0\uacfc\uc778 \ub2e4\ud56d\uc2dd\uc785\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\/facteur-theoreme-preuve.jpg\" alt=\"\uc778\uc790 \uc815\ub9ac\uc758 \uc99d\uba85\" class=\"wp-image-2199\" width=\"470\" height=\"157\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p> \uc608\ub97c \ub4e4\uc5b4, \uacc4\uc2b9 \uc815\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub2e4\uc74c \ub2e4\ud56d\uc2dd\uc744 \uc778\uc218\ubd84\ud574\ud558\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-8e7291b669031afd3421168b7662c71c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(x)=x^3+2x^2+4x+8\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"199\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \uc774\uc804 \ub2e4\ud56d\uc2dd\uc5d0\uc11c x=-2\uc5d0 \ub300\ud55c \ub2e4\ud56d\uc2dd\uc758 \uc22b\uc790 \uac12\uc774 0\uc774\uae30 \ub54c\ubb38\uc5d0 x=-2\uac00 \uadfc \uc911 \ud558\ub098\ub77c\ub294 \uac83\uc744 \uc54c \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-1d94a4657a385e672badeabd7458b376_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned} P(-2) &amp; =(-2)^3+2\\cdot (-2)^2+4\\cdot (-2)+8 \\\\[2ex] &amp; =-8+2\\cdot 4+4\\cdot (-2)+8 \\\\[2ex] &amp; = -8+8-8+8 \\\\[2ex] &amp; = 0 \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"142\" width=\"316\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \ub530\ub77c\uc11c \uc6b0\ub9ac\ub294 Ruffini\uc758 \ubc95\uce59\uc744 \uc0ac\uc6a9\ud558\uc5ec x\uc5d0 \uc758\ud574 \ud615\uc131\ub41c \uc774\ud56d\uc2dd\uacfc \uadfc \ubcc0\uacbd \ubd80\ud638, \uc989 \uc778\uc218 (x+2) \uc0ac\uc774\uc758 \ub2e4\ud56d\uc2dd P(x)\ub97c \ub098\ub215\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\/theoreme-du-facteur-zero.jpg\" alt=\"\uc81c\ub85c \ud329\ud130 \uc815\ub9ac\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uba85\uc2dc\ud569\ub2c8\ub2e4.\" class=\"wp-image-2201\" width=\"205\" height=\"130\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p> \ub530\ub77c\uc11c \ub2e4\ud56d\uc2dd \ub098\ub217\uc148\uc758 \ubaab\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-8787f77c00f3813ff7e93f147ae7a8d9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\cfrac{P(x)}{x+2} =x^2+4\" title=\"Rendered by QuickLaTeX.com\" height=\"42\" width=\"113\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<p> \uadf8\ub9ac\uace0 \ub9c8\uc9c0\ub9c9\uc73c\ub85c \uc778\uc218 \uc815\ub9ac\ub85c\ubd80\ud130 \uc778\uc218 (x+2)\uc640 \uc774\uc804 \ub098\ub217\uc148\uc5d0\uc11c \uc5bb\uc740 \ubaab\uc758 \uacf1\uc148 \ud615\ud0dc\ub85c \ub2e4\ud56d\uc2dd P(x)\ub97c \ud45c\ud604\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-2a63580effbfd7304133453960e84843_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(x) = (x+2) \\cdot (x^2+4)\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"190\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \ub530\ub77c\uc11c \uc6b0\ub9ac\ub294 \ub2e4\ud56d\uc2dd P(x)\ub97c \uc778\uc218\ubd84\ud574\ud588\uc9c0\ub9cc \ubd80\ubd84\uc801\uc73c\ub85c\ub9cc \uc218\ud589\ud588\uc2b5\ub2c8\ub2e4. \ub2e4\ud56d\uc2dd\uc744 \uc644\uc804\ud788 \uc778\uc218\ubd84\ud574\ud558\ub824\uba74 \ub354 \uae34 \uc808\ucc28\ub97c \uc801\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 <a href=\"https:\/\/mathority.org\/ko\"><strong><span style=\"text-decoration: underline;\">Ruffini \ub2e4\ud56d\uc2dd\uc744 \uc778\uc218\ubd84\ud574\ud558\ub294 \ubc29\ubc95\uc744<\/span><\/strong><\/a> \ub2e8\uacc4\ubcc4\ub85c \uac00\ub974\uce58\ub294 \uac00\uc774\ub4dc\ub97c \ub9cc\ub4e4\uc5c8\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc774 \uae30\uc0ac\uc5d0\uc11c\ub294 \uc778\uc218\ubd84\ud574\uc758 \ubaa8\ub4e0 \uc720\ud615\uc744 \uc124\uba85\ud588\uc73c\uba70 \ud574\uacb0\ub41c \uc5f0\uc2b5\ubb38\uc81c\ub97c \ud1b5\ud574 \uc5f0\uc2b5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc9d1\ud569\uc5d0\uc11c \ub2e4\ud56d\uc2dd\uc744 \uc778\uc218\ubd84\ud574\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uc544\ubcf4\ub824\uba74 \ub9c1\ud06c\ub97c \ud074\ub9ad\ud558\uc138\uc694. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejercicios-resueltos-del-teorema-del-factor\"><\/span> \ud574\uacb0 \uc778\uc790 \uc815\ub9ac \ubb38\uc81c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uadf8\ub7f0 \ub2e4\uc74c, \uc778\uc790 \uc815\ub9ac\ub97c \ub2e8\uacc4\ubcc4\ub85c \ud480\uc5b4\uc11c \uc5f0\uc2b5\ud560 \uc218 \uc788\ub3c4\ub85d \uc5ec\ub7ec \uac00\uc9c0 \uc5f0\uc2b5\ubb38\uc81c\ub97c \uc900\ube44\ud558\uc5ec, \uc774 \uc815\ub9ac\ub97c \uc774\ud574\ud588\ub294\uc9c0 \ud655\uc778\ud574\ubcf4\uc138\uc694. \uc9c1\uc811 \uc2dc\ub3c4\ud574 \ubcf4\uace0 \uc194\ub8e8\uc158\uc744 \uc62c\ubc14\ub974\uac8c \uc774\ud574\ud588\ub294\uc9c0 \ud655\uc778\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc544\ub798 \ub313\uae00\uc5d0 \uc9c8\ubb38\uc744 \ub0a8\uae38 \uc218 \uc788\ub2e4\ub294 \uc810\ub3c4 \uc78a\uc9c0 \ub9c8\uc138\uc694! \u2753\u2753\ud83d\udcac\ud83d\udcac<\/p>\n<h3 class=\"wp-block-heading\"> \uc5f0\uc2b5 1<\/h3>\n<p> \uacc4\uc2b9 \uc815\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub2e4\ud56d\uc2dd P(x)\uac00 \uc774\ud56d Q(x)\ub85c \ub098\ub204\uc5b4 \ub5a8\uc5b4\uc9c0\ub294\uc9c0 \ud655\uc778\ud558\uace0, \uadf8\ub807\ub2e4\uba74 \ub2e4\ud56d\uc2dd\uc758 \uadfc\uc744 \ucc3e\uc544 \uc778\uc218\ubd84\ud574\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-d91041d9502129f8feb71f75ec493bab_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(x)=2x^3-4x^2+x-7 \\qquad \\qquad Q(x)=x-3\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"372\" 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\"> \uc774 \uacbd\uc6b0, \ub2e4\ud56d\uc2dd \uc81c\uc218 Q(x)\ub294 x\uc640 \ub3c5\ub9bd\ud56d\ub9cc\uc73c\ub85c \uad6c\uc131\ub41c \uc774\ud56d\uc2dd\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub2e4\ud56d\uc2dd P(x)\uac00 \uacc4\uc2b9 \uc815\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub2e4\ub978 \ub2e4\ud56d\uc2dd Q(x)\ub85c \ub098\ub204\uc5b4\uc9c8 \uc218 \uc788\uc74c\uc744 \ubcf4\uc5ec\uc8fc\uae30 \uc704\ud574, \uc81c\uc218 \ub2e4\ud56d\uc2dd \ubcc0\uacbd \ubd80\ud638\uc758 \ub3c5\ub9bd \ud56d\uc5d0\uc11c \ub2e4\ud56d\uc2dd P(x)\uc758 \uc218\uce58 \uac12\uc744 \ud3c9\uac00\ud574\uc57c \ud569\ub2c8\ub2e4. \uc989, x=3\uc5d0\uc11c:<\/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-9e8ac752f8e16fae1d66386e9d2a02a0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned} P(3) &amp; =2\\cdot 3^3-4\\cdot 3^2+3-7\\\\[2ex] &amp; = 2\\cdot 27-4\\cdot 9+3-7 \\\\[2ex] &amp; = 54-36+3-7\\\\[2ex] &amp; = 14 \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"142\" width=\"219\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> x=3\uc5d0\uc11c \ub2e4\ud56d\uc2dd P(x)\uc758 \uc218\uce58\ub294 14\uc640 \ub3d9\uc77c\ud569\ub2c8\ub2e4. \uc989, 0\uacfc \ub2e4\ub985\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc778\uc218 \uc815\ub9ac\uc5d0 \ub530\ub974\uba74 \ub098\ub217\uc148\uc758 \ub098\uba38\uc9c0\uac00 0\uc774 \uc544\ub2c8\uae30 \ub54c\ubb38\uc5d0 P(x)\ub294 Q(x)\ub85c \ub098\ub204\uc5b4\uc9c0\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/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\ud56d\uc2dd P(x)\uac00 \uc774\ud56d\uc2dd Q(x)\ub85c \ub098\ub204\uc5b4\uc9c0\ub294\uc9c0 \uc5ec\ubd80\ub97c \uacc4\uc2b9 \uc815\ub9ac\ub85c \uc54c\uc544\ubcf4\uace0, \uadf8\ub807\ub2e4\uba74 \ub2e4\ud56d\uc2dd P(x)\uc758 \uadfc\uc744 \ucc3e\uc544 \uc778\uc218\ubd84\ud574\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-c66c882f468d9bf67c8ae19b9629a24c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(x)=x^3+5x^2+3x-1 \\qquad \\qquad Q(x)=x+1\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"371\" 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\"> \uc774 \uacbd\uc6b0 \ub2e4\ud56d\uc2dd \uc81c\uc218 Q(x)\ub294 x\uc640 \ub3c5\ub9bd \ud56d\uc73c\ub85c\ub9cc \uad6c\uc131\ub41c \uc774\ud56d\uc2dd\uc774\ubbc0\ub85c \uacc4\uc2b9 \uc815\ub9ac\ub97c \uc801\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p class=\"has-text-align-left\"> \uadf8\ub9ac\uace0 \ub2e4\ud56d\uc2dd P(x)\uac00 \ub2e4\ud56d\uc2dd Q(x)\ub85c \ub098\ub204\uc5b4\uc9c8 \uc218 \uc788\ub294\uc9c0 \ud655\uc778\ud558\ub824\uba74 \ub2e4\ud56d\uc2dd Q(x)\uc758 \ubcc0\uacbd\ub41c \ubd80\ud638\uc758 \ub3c5\ub9bd\ud56d\uc5d0 \ub300\ud55c \ub2e4\ud56d\uc2dd P(x)\uc758 \uc218\uce58 \uac12\uc744 \ucc3e\uc544\uc57c \ud569\ub2c8\ub2e4. \uc989, x=-1\uc5d0\uc11c:<\/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-34b63772a1b44bee2c746d94b6ca4785_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned} P(-1) &amp; =(-1)^3+5\\cdot (-1)^2+3\\cdot (-1)-1\\\\[2ex] &amp; = -1+5\\cdot 1+3\\cdot (-1)-1\\\\[2ex] &amp; = -1+5-3-1\\\\[2ex] &amp; = 0 \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"142\" width=\"315\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc774 \ubb38\uc81c\uc5d0\uc11c x=-1\uc5d0\uc11c \ub2e4\ud56d\uc2dd\uc758 \uc218\uce58\ub294 0\uc774\ubbc0\ub85c P(x)\ub294 Q(x)\ub85c \ub098\ub20c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p class=\"has-text-align-left\"> \uadf8\ub7ec\uba74 x=-1\uc5d0\uc11c P(x)\uc758 \uc218\uce58\uac00 \uc0ac\ub77c\uc9c0\uae30 \ub54c\ubb38\uc5d0 x=-1\uc774 \ub2e4\ud56d\uc2dd P(x)\uc758 \uadfc\uc774\ub77c\ub294 \uacc4\uc2b9 \uc815\ub9ac\ub97c \ud1b5\ud574 \ucd94\ub860\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c x=-1\uc740 \ub2e4\ud56d\uc2dd P(x)\uc758 \uadfc\uc774\ubbc0\ub85c \uc778\uc218\ubd84\ud574\ud558\ub824\uba74 \uac04\ub2e8\ud788 x+1\ub85c \ub098\ub204\uba74 \ub429\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 Ruffini \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\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\/facteur-et-reste-theoreme-2.jpg\" alt=\"\uc778\uc218\uc640 \ub098\uba38\uc9c0 \uc815\ub9ac\" class=\"wp-image-2223\" width=\"212\" height=\"130\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c \uc791\uc5c5 \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-7d359811cb1941ccb7181216d4eb2667_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+4x-1\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"88\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c \ub2e4\ud56d\uc2dd P(x)\ub97c \ub2e4\uc74c\uacfc \uac19\uc774 \uc778\uc218\ubd84\ud574\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-d4793f7847d400b7df22361f6b856a0e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(x) = (x+1) \\cdot (x^2+4x-1)\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"231\" style=\"vertical-align: -5px;\"><\/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> \ub2e4\ud56d\uc2dd P(x)\uac00 \uc774\ud56d\uc2dd Q(x)\ub85c \ub098\ub204\uc5b4\uc9c0\ub294\uc9c0 \uc5ec\ubd80\ub97c \uacc4\uc2b9 \uc815\ub9ac\ub85c \ucc3e\uc544\ubcf4\uace0, \uadf8\ub807\ub2e4\uba74 \ub2e4\ud56d\uc2dd P(x)\uc758 \uadfc\uc744 \ucc3e\uc544 \uc778\uc218\ubd84\ud574\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-e3aead584139f397504eb04454974899_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(x)=x^3+5x^2+4x-6 \\qquad \\qquad Q(x)=x+3\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"372\" 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\"> \uc774 \uacbd\uc6b0, Q(x)\ub97c \ub098\ub204\ub294 \ub2e4\ud56d\uc2dd\uc740 x\uc640 \ub3c5\ub9bd\ud56d\ub9cc\uc73c\ub85c \uad6c\uc131\ub41c \uc774\ud56d\uc2dd\uc774\ubbc0\ub85c \uc778\uc790 \uc815\ub9ac\ub97c \uc774\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p class=\"has-text-align-left\"> \uadf8\ub9ac\uace0 \ub2e4\ud56d\uc2dd P(x)\uac00 \ub2e4\ud56d\uc2dd Q(x)\ub85c \ub098\ub204\uc5b4\uc9c0\ub294\uc9c0 \ud655\uc778\ud558\ub824\uba74 \ub2e4\ud56d\uc2dd Q(x) \ubcc0\uacbd\ub41c \ubd80\ud638\uc758 \ub3c5\ub9bd \ud56d\uc5d0 \ub300\ud55c \ub2e4\ud56d\uc2dd P(x)\uc758 \uc218\uce58 \uac12\uc744 \uacb0\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. \uc989, \uc989, x =-3\uc5d0\uc11c:<\/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-ef8bb895fe041193d71351ffadb94f2f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned} P(-3) &amp; =(-3)^3+5\\cdot (-3)^2+4\\cdot (-3)-6\\\\[2ex] &amp; = -27+5\\cdot 9+4\\cdot (-3)-6\\\\[2ex] &amp; = -27+45-12-6\\\\[2ex] &amp; = 0 \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"142\" width=\"316\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc774 \uacbd\uc6b0 x=-3\uc5d0\uc11c \ub2e4\ud56d\uc2dd\uc758 \uc218\uce58\ub294 0\uc774\ubbc0\ub85c \uc2e4\uc81c\ub85c P(x)\ub294 Q(x)\ub85c \ub098\ub20c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p class=\"has-text-align-left\"> \uc774\ub7ec\ud55c \uc774\uc720\ub85c \uc6b0\ub9ac\ub294 \uacc4\uc2b9 \uc815\ub9ac\ub85c\ubd80\ud130 x=-3\uc774 \ub2e4\ud56d\uc2dd P(x)\uc758 \uadfc\uc774\ub77c\ub294 \uac83\uc744 \ucd94\ub860\ud569\ub2c8\ub2e4. \uc65c\ub0d0\ud558\uba74 P(-3)\ub294 0\uc774\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c x=-3\uc740 \ub2e4\ud56d\uc2dd P(x)\uc758 \uadfc\uc774\ubbc0\ub85c \uc774\ub97c \uc778\uc218\ubd84\ud574\ud558\ub824\uba74 x+3\uc73c\ub85c \ub098\ub204\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \uc774\ub97c \uc704\ud574 Ruffini\uc758 \uaddc\uce59\uc744 \uc0ac\uc6a9\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\/facteur-theoreme-factorisation-par-ruffini.jpg\" alt=\"Ruffini\uc758 \uc778\uc790 \uc815\ub9ac \uc778\uc790\" class=\"wp-image-2226\" width=\"216\" height=\"130\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c \ub098\ub217\uc148\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-990e12f6ae2d0b9effdb52dfaea8edbe_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+2x-2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"88\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c \ub2e4\ud56d\uc2dd P(x)\ub97c \ub2e4\uc74c\uacfc \uac19\uc740 \ubc29\uc2dd\uc73c\ub85c \uc778\uc218\ubd84\ud574\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-4929cce053644c03cdafec2fbfd77008_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(x) = (x+3) \\cdot (x^2+2x-2)\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"231\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<p class=\"has-text-align-center\"> \uc778\uc790 \uc815\ub9ac\uc5d0 \ub300\ud574 \uc5b4\ub5bb\uac8c \uc0dd\uac01\ud558\uc2dc\ub098\uc694? \uadf8\uac83\uc774 \ub300\uc218\ud559\uc5d0\uc11c \uc720\uc6a9\ud558\ub2e4\uace0 \uc0dd\uac01\ud558\uc2dc\ub098\uc694? \ub313\uae00\uc5d0\uc11c \uc5ec\ub7ec\ubd84\uc758 \uc758\uacac\uc744 \uc77d\uc5c8\uc2b5\ub2c8\ub2e4!<br \/> \ud83d\ude4c\u2b07\u2b07\u2b07\ud83d\ude4c<\/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 \uc778\uc790 \uc815\ub9ac\uac00 \ubb34\uc5c7\uc778\uc9c0 \uc124\uba85\ud569\ub2c8\ub2e4. \ub610\ud55c, \uc778\uc218 \uc815\ub9ac\uac00 \ub2e4\ud56d\uc2dd\uc758 \ub098\ub217\uc148, \uadfc \ucc3e\uae30, \ub2e4\ud56d\uc2dd \uc778\uc218\ubd84\ud574 \ub4f1\uc758 \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub418\ub294 \uac83\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ub9c8\uc9c0\ub9c9\uc73c\ub85c, \uc778\uc790 \uc815\ub9ac\uc5d0 \ub300\ud55c \ub2e8\uacc4\ubcc4 \uc5f0\uc2b5\uc744 \ud1b5\ud574 \uc5f0\uc2b5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc778\uc790 \uc815\ub9ac\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c? \uc218\ud559\uc5d0\uc11c \uc778\uc218 \uc815\ub9ac\ub294 P(a)=0\uc778 \uacbd\uc6b0\uc5d0\ub9cc \ub2e4\ud56d\uc2dd P(x)\uac00 (xa) \ud615\uc2dd\uc758 \ub2e4\ub978 \ub2e4\ud56d\uc2dd\uc73c\ub85c \ub098\ub204\uc5b4\uc9c4\ub2e4\uace0 \ub9d0\ud569\ub2c8\ub2e4. \ub9c8\ucc2c\uac00\uc9c0\ub85c, \uc778\uc790 \uc815\ub9ac\uc758 \uacb0\uacfc\ub85c, \ub2e4\ud56d\uc2dd P(x)\uac00 (x\u2212a) \ud56d\uc73c\ub85c \ub098\ub204\uc5b4\uc9c0\uba74 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ko\/%ec%9d%b8%ec%9e%90-%ec%a0%95%eb%a6%ac\/\"> <span class=\"screen-reader-text\">\uc778\uc790\uc815\ub9ac<\/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":[17],"tags":[],"class_list":["post-327","post","type-post","status-publish","format-standard","hentry","category-17"],"yoast_head":"<!-- This site is optimized 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\ub9c8\uc9c0\ub9c9\uc73c\ub85c, \uc778\uc790 \uc815\ub9ac\uc5d0 \ub300\ud55c \ub2e8\uacc4\ubcc4 \uc5f0\uc2b5\uc744 \ud1b5\ud574 \uc5f0\uc2b5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc778\uc790 \uc815\ub9ac\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c? \uc218\ud559\uc5d0\uc11c \uc778\uc218 \uc815\ub9ac\ub294 P(a)=0\uc778 \uacbd\uc6b0\uc5d0\ub9cc \ub2e4\ud56d\uc2dd P(x)\uac00 (xa) \ud615\uc2dd\uc758 \ub2e4\ub978 \ub2e4\ud56d\uc2dd\uc73c\ub85c \ub098\ub204\uc5b4\uc9c4\ub2e4\uace0 \ub9d0\ud569\ub2c8\ub2e4. \ub9c8\ucc2c\uac00\uc9c0\ub85c, \uc778\uc790 \uc815\ub9ac\uc758 \uacb0\uacfc\ub85c, \ub2e4\ud56d\uc2dd P(x)\uac00 (x\u2212a) \ud56d\uc73c\ub85c \ub098\ub204\uc5b4\uc9c0\uba74 &hellip; \uc778\uc790\uc815\ub9ac \ub354 \ubcf4\uae30 &raquo;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mathority.org\/ko\/\uc778\uc790-\uc815\ub9ac\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-06T08:26:38+00:00\" \/>\n<meta property=\"og:image\" 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