Question

factorize x^3-23x^2+142x-120

Answer 1

(x^3 - x^2 - 22x^2 + 22x + 120x + 120)

x^2(x-1) - 22x (x-1) + 120 (x-1)

(x-1) (x^2-22x+120)

(x-1) (x^2-12x-10x+120)

(x-1)(x(x-12)-10(x-12))

(x-1)(x-10)(x-12)

.

.

.

. hope I helped you