Question

-4x²+32=0 equação incompleta alguem me ajude????

Answer 1

$x = 2 \sqrt{2}$

Answer 2

$-4x^2+32=0 \\ \\ -4x^2=-32 \\ \\ x^2=(-32)(-4) \\ \\ x^2=8 \\ \\ x=\pm \sqrt{8} \\ \\ x=\pm \sqrt{2.2^2} \\ \\ x=\pm2 \sqrt{2} \\ \\ S=\{-2 \sqrt{2} ,+2 \sqrt{2} \}$