Question

$
$( \times + 7) {?}^{2}$
​

Answer 1

Resposta:

$oi \: boa \: noite$

$(x + 7) {}^{2} \\ x {}^{2} + 2x \times 7 + 7 {}^{2} \\ x {}^{2} + 14x + 49$

Boas Festas!!

Answer 2

$\large \sf {(x + 7)}^{2}$

➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖

➡ Propriedade Distributiva:

$\boxed{\begin{array}{lr} \\ \large \sf \: (x + 7) \cdot(x + 7) \\ \\ \large \sf x \cdot \: x + 7x + 7x + 7 \cdot7 \\ \\ \red{\large \sf {x}^{2} + 14x + 49 }\\ \: \end{array}}$

➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖

♠Resposta:

• $\boxed{\large \sf {x}^{2} + 14x + 49}$

➖➖➖➖➖➖➖◼➖➖➖➖➖➖➖

Veja mais em:

• https://brainly.com.br/tarefa/37889038