Question

Factorise :
(i) x3 - 2 x2 - x + 2​

Answer 1

x³-2x²-x+2

x²(x-2) -1(x-2)

(x²-1)(x-2)

a²-b² = (a+b)(a-b)

(x+1)(x-1)(x-2)

Answer 2

Here is your answer mate