Question

gente me ajuda pfv e pra amanhã
${x}^{2} = 9 \: \: \: \: \: \: \: \: \: \: \: x =$
$e \: de \: potencia \:$
​

Answer 1

$\bf\large{\underline{\qquad \qquad\qquad \qquad \qquad \qquad \qquad \quad }}$

Resposta correta:

• $\large~~{~~\boxed{\boxed{\begin{array}{lr}\displaystyle{\green{~ S=\{-3;3\} ~ }}\end{array}}}}$

$\underline{\underline{\overline{\overline{\begin{gathered}\boxed{\begin{array}{l} \\\sf\begin{gathered}\large\textsf{\textbf{\underline{Calculo:}}}\end{gathered} \\\ ~ \\\ {\large{\displaystyle{ {x}^{2} = 9 }}} & \\ \\ {\large{\displaystyle{x = \pm \sqrt{9} }}} & \\ \\ { \large{\displaystyle{x = \pm 3}}}&\\ \\ \\ \quad {\Large{\displaystyle{x = -3 }}}& \\ \\ \quad {\Large{\displaystyle{x = 3 }}}\\\ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\end{array}}\end{gathered}}}}}$

$~~~~~~~~~~~\bf Att.$

${\Huge{\underline{\green{\mathbb{P}}E\green{\mathbb{R}}G\green{\mathbb{U}}N}}} \\ { \Huge{ \: \: \: \: \: \: \: \: \: \: \: \: {{\underline{\green{ T}\mathbb{A}\green{D}\mathbb{O}\green{S}}}}}}$

$\bf\large{\underline{\qquad \qquad\qquad \qquad \qquad \qquad \qquad \quad }}$

Answer 2

Resposta:

Explicação passo a passo:

$x^{2} =9$

$x=\pm\sqrt{9}$

$x=\pm3$

$S=\{-3;3\}$