Question

5. Factorise :
(i) r3 - 2x2 - x +2
(ii) x + 13x2+ 32x + 20​

Answer 1

Answer:

1. (x^2-1) (x-2)

Step-by-step explanation:  

x^3-2x^2-x+2

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

x^2(x-2)-1(x-2)

(x^2-1)(x-2)