Question

4a^2 + 12ab + 9b^2 : factories it.

Answer 1

4a^2 +12ab+9b^2

Multiplying last and first position

We get

4a×9b=36a^2b^2

Now we have to find such two numbers such that their sum is 12ab and product 36a^2b^2

So

4a^2 +6ab +6ab +9 b^2

2a(2a +3b) +3b(2a+3b)

(2a+3b)(2a+3b)