Question

Calcular as raízes da equação do 2ª grau 2(x+3)² =0 ??????????????????????????

Answer 1

$2(x+3)^2=0\\\\(x+3)^2=\frac{0}{2}\\\\(x+3)^2=0\\\\(x+3)=\sqrt{0}\\\\x+3=0\\\\\boxed{x=-3}$