Question

Using identity, factorise: (a + b)3 - 27

Answer 1

Answer:

You can use the third identity.

i.e., a²+b²=(a+b) (a-b)

In this question you can just do the opposite.

i.e., (a+b) (a-b)= a²+b².

Hope this will help you dear friend.

Have a nice weekend.

Answer 2

Answer:

a²+b²=(a+b)(a-b)

Step-by-step explanation:

Be happy frnd