Question

O polinomio que exprpressa a soma entre ×2-9×+5 e 7×é

Answer 1

Resposta:

preciso tanbém dessa resposta

Answer 2

✅ Após resolver os cálculos, concluímos que o polinômios soma é:

   $\Large\displaystyle\text{ \begin{gathered}\boxed{\boxed{\:\:\:\bf S(x) = x^{2} - 2x + 5\:\:\:}}\end{gathered} }$

Sejam os polinômios:

        $\Large\begin{cases} P(x) = x^{2} - 9x + 5\\Q(x) = 7x\\S(x) = \:?\end{cases}$

Calculando a soma dos polinômios:

    $\Large\displaystyle\begin{gathered} S(x) = P(x) + Q(x)\end{gathered}$

                $\Large\displaystyle\begin{gathered} = (x^{2} - 9x + 5) + (7x)\end{gathered}$

                $\Large\displaystyle\begin{gathered} = x^{2} - 9x + 5 + 7x\end{gathered}$

                $\Large\displaystyle\begin{gathered} = x^{2} - 2x + 5\end{gathered}$

✅ Portanto, o polinômio soma é:

    $\Large\displaystyle\begin{gathered} S(x) = x^{2} - 2x + 5\end{gathered}$

   

$\LARGE\displaystyle\text{ \begin{gathered} \underline{\boxed{\boldsymbol{\:\:\:Bons \:estudos!!\:\:\:Boa\: sorte!!\:\:\:}}}\end{gathered} }$

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