Question

Factories the following
3a²- 27 b²​

Answer 1

Answer:

We will solve this by using the identity - (a+b) (a-b) = (a²+b²​)

  3a² -  27b²​

= (√3 a)²​ - (3√3 b)²​

= (√3 a + 3√3 b) (√3 a - 3√3 b)