Question

Factorize x³-23x²+142x-120 --

Answer 1

Here is ur answer...

x³-23x²+142x-120

=> x³-x²-22x²+22x+120x-120

=> x²(x-1)-22x(x-1)+120(x-1)

=> (x-1)(x²-22x+120)

=> (x-1)[x²-10x-12x+120]

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

=> (x-1)(x-10)(x-12)

Thank u

Thank u Hope this will help u..