Question

-4/3x^2+12=0
Pomogite pls:)

Answer 1

$- frac{4}{3} x^2+12=0 | *3 \ \ - 4x^2+36=0 \ \ 4 x^{2} =36 \ \ x^{2} = 9 \ \ x_{1,2} = pm 3$

Ответ: 
$x_{1,2} = pm 3$