Question

уравнение:
(3х-6)(х+2)=0

Answer 1

(3х-6)(х+2) = 0
3х² + 6х - 6х - 12 = 0
3х² - 12 = 0
3х² = 12
х² = 4
х = ±2
х1 = 2; х2 = -2