Question

Решите уравнение
0.5х^2-2=0

Answer 1

$frac{1}{2} x^{2} -2=0 \ frac{1}{2} x^{2} =2\ x^{2} =2*2\ x^{2} =4 \ x=+2; x = -2$

Answer 2

0,5х^2=2; Х^2=2:0,5; х^2=4, х= +-2, ответ х=2, х=-2