efetue a operação
(x+1)(-x+3)-3(x+4)
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Bom dia Jesus!
Solução!
![(x+1)\times(-x+3)-3(x+4)\\\\\
(- x^{2} +3x-x+3)+(-3x-12)\\\\
(- x^{2} +2x-3x+3-12)=- x^{2} -x-9\\\\\\\\\\\
\boxed{Resposta:- x^{2} -x-9}](https://tex.z-dn.net/?f=%28x%2B1%29%5Ctimes%28-x%2B3%29-3%28x%2B4%29%5C%5C%5C%5C%5C%0A%28-+x%5E%7B2%7D+%2B3x-x%2B3%29%2B%28-3x-12%29%5C%5C%5C%5C%0A%28-+x%5E%7B2%7D+%2B2x-3x%2B3-12%29%3D-+x%5E%7B2%7D+-x-9%5C%5C%5C%5C%5C%5C%5C%5C%5C%5C%5C%0A%5Cboxed%7BResposta%3A-+x%5E%7B2%7D+-x-9%7D "(x+1)\times(-x+3)-3(x+4)\\\\\
(- x^{2} +3x-x+3)+(-3x-12)\\\\
(- x^{2} +2x-3x+3-12)=- x^{2} -x-9\\\\\\\\\\\
\boxed{Resposta:- x^{2} -x-9}")
Bom dia!
Bons estudos!
Solução!
Bom dia!
Bons estudos!
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