Question

4) Resolva as questões

a) ( + 2x²)² =

b) (-3x³)² =​

Answer 1

Oie, tudo bom?

a)

$= (2x {}^{2} ) {}^{2} \\ = 2 {}^{2} \: . \: (x {}^{2} ) {}^{2} \\ \boxed{ = 4x {}^{4} }$

b)

$= ( - 3x {}^{3} ) {}^{2} \\ = ( - 3) {}^{2} \: . \: (x {}^{3} ) {}^{2} \\ \boxed{ = 9x {}^{6} }$

Att. NLE Top Shotta