Question

factorise x^3 - 2x^2 - x+2​

Answer 1

Answer:

(x-2) × (x-1) × (x-1) .

Solution :

= x³ - 2x² - x + 2

= x² (x-2) - (x-2)

= (x-2) × (x²-1)

= (x-2) × (x-1) × (x+1)

•°• Required Answer = (x-2) × (x-1) × (x+1) .