Question

factorise a^3 -27b^3 + 2a^2b - 6ab^2

Answer 1

Answer:

(a^2-3b^2) (a+2b)

Step-by-step explanation:

We Have:-

a^3-27b^3+2a^b-6ab^2.

First of we have to make group.

.i.e (a^3+2a^2b) -(27b^3+6ab^2)

Now solving it:-

a^2(a+2b) -3b^2(9b+2a)

(a^2-3b^2) (a+2b).

Hope It helps.

^_^