Question

(x+7/2)² resolva obrigado​

Answer 1

$= (x + \frac{7}{2} ) {}^{2}$

$= x {}^{2} + 2x \: . \: \frac{7}{2} + ( \frac{7}{2} ) {}^{2}$

$\boxed{ = x {}^{2} + 7x + \frac{49}{4} }$

Att. YRZ