Question

Х в кубе -2х в квадрате -х+2=0

Answer 1

x^2 • (x-2)-(x-2)=0
(x^2-1) • (x-2)=0
x^2-1=0 x-2=0
x=1 ; x= -1 x=2

Answer 2

x^2 • (x - 2)-(x - 2)= 0
(x^2 - 1) • (x - 2)= 0
x^2 - 1= 0 x - 2 = 0
x= 1 ; x= -1 x= 2