Question

5.
Factorise :
(1) x3 - 2x2 - x +2
(ii) r3 + 13x2 + 32x + 20
(ii) x - 3x2 - 9x --5
(iv) 2y + y2 - 2y-1​

Answer 1

Explanation:

I think no. 2,3 and 4 is incorrect

Answer 2

Explanation:

2.x=-10 or -2 or -1

in second page the way of brief division is a very important.

4.y=1 or -1