Question

Решите пожалуйста неполное уравнение ​

Answer 1

$\displaystyle \tt -\frac{2}{3}x^2+\frac{8}{3}=0\:\:\:\:\:\:\:\bigg|\cdot3\\\\ \displaystyle \tt -2x^2+8=0\\\displaystyle \tt -2x^2=-8\\\displaystyle \tt x^2=4\\\displaystyle \tt x=б\sqrt{4}\\\displaystyle \tt \bold{x_1=2}\\\displaystyle \tt \bold{x_2=-2}$