Question

Factorise x³+13x²+32x+120

Answer 1

Step-by-step explanation:

I think the correct question is :

Factorise x3 + 13x2 + 32x + 20

The solution would be :

Since the sum of odd and even coefficients is equal,

(x + 1) is definitely a factor.

Therefore,

(x + 1)(x2 + 12x + 20)

(x + 1)(x2 + 10x + 2x + 20)

(x + 1)(x + 2)(x + 10)