\nEnunciado<\/b><\/span><\/p>\n
Calcula:<\/p>\n
\n
$(x+5)(x-5)$<\/li>\n
$(2x-1)(2x+1)$<\/li>\n
$(1-x)(1+x)$<\/li>\n
$(1-\\frac{1}{2}x)(1+\\frac{1}{2}x)$<\/li>\n
$(4xy-3)(4xy+3)$<\/li>\n<\/ol>\n
Resolu\u00e7\u00e3o >><\/a><\/span><\/div><\/div>\n\n
\nResolu\u00e7\u00e3o<\/b><\/span><\/p>\n
\n
Ora,
\n\\[\\begin{array}{*{35}{l}}
\n(x+5)(x-5) & = & {{x}^{2}}-{{5}^{2}}\u00a0 \\\\
\n{} & = & {{x}^{2}}-25\u00a0 \\\\
\n\\end{array}\\]<\/li>\n
Ora,
\n\\[\\begin{array}{*{35}{l}}
\n(2x-1)(2x+1) & = & {{(2x)}^{2}}-{{1}^{2}}\u00a0 \\\\
\n{} & = & 4{{x}^{2}}-1\u00a0 \\\\
\n\\end{array}\\]<\/li>\n
Ora,
\n\\[\\begin{array}{*{35}{l}}
\n(1-x)(1+x) & = & {{1}^{2}}-{{x}^{2}}\u00a0 \\\\
\n{} & = & 1-{{x}^{2}}\u00a0 \\\\
\n\\end{array}\\]<\/li>\n
Ora,
\n\\[\\begin{array}{*{35}{l}}
\n(1-\\frac{1}{2}x)(1+\\frac{1}{2}x) & = & {{1}^{2}}-{{(\\frac{1}{2}x)}^{2}}\u00a0 \\\\
\n{} & = & 1-\\frac{1}{4}{{x}^{2}}\u00a0 \\\\
\n\\end{array}\\]<\/li>\n
Ora,
\n\\[\\begin{array}{*{35}{l}}
\n(4xy-3)(4xy+3) & = & {{(4xy)}^{2}}-{{3}^{2}}\u00a0 \\\\
\n{} & = & 16{{x}^{2}}{{y}^{2}}-9\u00a0 \\\\
\n\\end{array}\\]<\/li>\n<\/ol>\n
<< Enunciado<\/a><\/span><\/div><\/div>\n\n","protected":false},"excerpt":{"rendered":"
Enunciado Resolu\u00e7\u00e3o Enunciado Calcula: $(x+5)(x-5)$ $(2x-1)(2x+1)$ $(1-x)(1+x)$ $(1-\\frac{1}{2}x)(1+\\frac{1}{2}x)$ $(4xy-3)(4xy+3)$ Resolu\u00e7\u00e3o >> Resolu\u00e7\u00e3o << Enunciado<\/p>\n","protected":false},"author":1,"featured_media":20602,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[100,97,193],"tags":[196],"series":[],"class_list":["post-6894","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-8--ano","category-aplicando","category-equacoes-de-grau-superior-ao-1-","tag-casos-notaveis"],"views":3150,"jetpack_featured_media_url":"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2011\/05\/8V2Pag071-17_520x245.png","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/6894","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6894"}],"version-history":[{"count":0,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/6894\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/media\/20602"}],"wp:attachment":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6894"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6894"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6894"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fseries&post=6894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}