Question

FACTORISE the following ​

Answer 1

Step-by-step explanation:

x³-23x²+142x-120

x³-x²-22x²+22x²+120x-120

x² (x-1) -22x(x-1) + 120 (x-1)

(x²-22x+120) ( x-1)

[x(x-10)-12(x-10)] (x-1)

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