Question

Quanto e 4x elevado a 2 + 2=0

Answer 1

$\boxed{4x^2+2=0}\\\\4x^2=-2\\\\\frac{4x^2}{4}=\frac{-2}{4}\\\\x^2=-\frac{1}{2}\\\\\boxed{x=\sqrt{-\frac{1}{2}}\ \:x=-\sqrt{-\frac{1}{2}}}$