Question

I need help!


Factor completely:
(x-1)(x+2)^2-(x-1)^2(x+2)

Answer 1

(x-1)(x+2)^2-(x-1)^2(x+2)
(x-1)(x+2)((x+2)-(x-1))
(x-1)(x+2)(x+2-x+1)
(x-1)(x+2)(x+3-x)
(x-1)(x+2)*3
3(x-1)(x+2)

Answer 2

thanks can u help with another one