{"id":789,"date":"2025-01-12T20:46:50","date_gmt":"2025-01-12T17:46:50","guid":{"rendered":"https:\/\/currconv.ru\/blog\/17126-2\/"},"modified":"2025-01-12T20:46:50","modified_gmt":"2025-01-12T17:46:50","slug":"17126","status":"publish","type":"post","link":"https:\/\/currconv.ru\/blog\/17126\/","title":{"rendered":"\u041f\u0440\u0438\u043c\u0435\u0440 \u211680 \u0438\u0437 \u0437\u0430\u0434\u0430\u043d\u0438\u044f 20"},"content":{"rendered":"<div class=\"fpm_start\"><\/div>\n<p>\u0420\u0435\u0448\u0438\u0442\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 <span class=\"katex-eq\" data-katex-display=\"false\">(x-2)(x^2+8x+16)=7(x+4)<\/span>.<\/p>\n<p><span id=\"more-17126\"><\/span><\/p>\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n<h2 class=\"wp-block-heading has-text-align-center has-medium-font-size\"><strong>\u0420\u0435\u0448\u0435\u043d\u0438\u0435<\/strong><\/h2>\n<p>\u0412\u043e\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u0441\u044f \u0444\u043e\u0440\u043c\u0443\u043b\u043e\u0439 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0430 \u0441\u0443\u043c\u043c\u044b <span class=\"katex-eq\" data-katex-display=\"false\">(a+b)^2=a^2+2ab+b^2.<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">(x-2)(x^2+8x+16)=7(x+4);<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">(x-2)(x+4)^2=7(x+4);<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">(x-2)(x+4)^2-7(x+4)=0;<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">(x+4)((x-2)(x+4)-7)=0;<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">(x+4)(x^2+4x-2x-8-7)=0;<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">(x+4)(x^2+2x-15)=0;<\/span><\/p>\n<p>\u041f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u0440\u0430\u0432\u043d\u043e \u043d\u0443\u043b\u044e, \u0435\u0441\u043b\u0438 <span class=\"katex-eq\" data-katex-display=\"false\">x+4=0<\/span> \u0438\u043b\u0438 <span class=\"katex-eq\" data-katex-display=\"false\">x^2+2x-15=0.<\/span><\/p>\n<p><script data-noptimize=\"\" data-wpfc-render=\"false\">\nfpm_start( \"true\" );\n<\/script><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">x_1+4=0;<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">x_1=-4.<\/span><\/p>\n<p>\u0418\u041b\u0418<\/p>\n<\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">x^2+2x-15=0;<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">D=4-4 \\cdot 1 \\cdot (-15)=4+60=64;<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle x_2=\\frac{-2-8}{2}=-5;<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle x_3=\\frac{-2+8}{2}=3.<\/span><\/p>\n<p><strong>\u041e\u0442\u0432\u0435\u0442:<\/strong> <span class=\"katex-eq\" data-katex-display=\"false\">-5; -4; 3.<\/span><span class=\"MathJax\" id=\"MathJax-Element-4-Frame\" tabindex=\"0\" style=\"\"><nobr><span class=\"math\" id=\"MathJax-Span-15\" style=\"width: 1.2em; display: inline-block;\"><span style=\"display: inline-block; position: relative; width: 1.008em; height: 0px; font-size: 116%;\"><span style=\"position: absolute; clip: rect(1.535em, 1000.96em, 2.493em, -999.998em); top: -2.344em; left: 0em;\"><span style=\"display: inline-block; width: 0px; height: 2.349em;\"><\/span><\/span><span style=\"position: absolute; clip: rect(1.535em, 1000.96em, 2.493em, -999.998em); top: -2.344em; left: 0em;\"><\/span><\/span><\/span><\/nobr><\/span><\/p>\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<p><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong>\u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a:<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong> \u041e\u0413\u042d-2025. \u041c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a\u0430. \u0422\u0438\u043f\u043e\u0432\u044b\u0435 \u044d\u043a\u0437\u0430\u043c\u0435\u043d\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0435 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b. 36 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u043e\u0432. \u042f\u0449\u0435\u043d\u043a\u043e \u0418. \u0412. (\u0432\u0430\u0440\u0438\u0430\u043d\u0442 3) <\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0420\u0435\u0448\u0438\u0442\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 (x-2)(x^2+8x+16)=7(x+4). \u0420\u0435\u0448\u0435\u043d\u0438\u0435 \u0412\u043e\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u0441\u044f \u0444\u043e\u0440\u043c\u0443\u043b\u043e\u0439 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0430 \u0441\u0443\u043c\u043c\u044b (a+b)^2=a^2+2ab+b^2. (x-2)(x^2+8x+16)=7(x+4); (x-2)(x+4)^2=7(x+4); (x-2)(x+4)^2-7(x+4)=0; (x+4)((x-2)(x+4)-7)=0; (x+4)(x^2+4x-2x-8-7)=0; (x+4)(x^2+2x-15)=0; \u041f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u0440\u0430\u0432\u043d\u043e \u043d\u0443\u043b\u044e, \u0435\u0441\u043b\u0438 x+4=0 \u0438\u043b\u0438 x^2+2x-15=0. x_1+4=0; x_1=-4. \u0418\u041b\u0418 x^2+2x-15=0; D=4-4 \\cdot 1 \\cdot (-15)=4+60=64; \\displaystyle x_2=\\frac{-2-8}{2}=-5; \\displaystyle x_3=\\frac{-2+8}{2}=3. \u041e\u0442\u0432\u0435\u0442: -5; -4; 3. \u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a: \u041e\u0413\u042d-2025. \u041c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a\u0430. \u0422\u0438\u043f\u043e\u0432\u044b\u0435 \u044d\u043a\u0437\u0430\u043c\u0435\u043d\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0435 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b. 36 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u043e\u0432. \u042f\u0449\u0435\u043d\u043a\u043e \u0418. \u0412. (\u0432\u0430\u0440\u0438\u0430\u043d\u0442 3)<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[59],"tags":[],"class_list":["post-789","post","type-post","status-publish","format-standard","hentry","category-zadanie-20"],"_links":{"self":[{"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/posts\/789","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/comments?post=789"}],"version-history":[{"count":0,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/posts\/789\/revisions"}],"wp:attachment":[{"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/media?parent=789"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/categories?post=789"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/tags?post=789"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}