Question

How do you factor `y=4x^2+12x+9`?

Answer 1

`(2x+3)^2`

Explanation:

A special case of the quadratic polynoms is

`(a+b)^2= a^2+2ab+b^2`

We can see that a=2x and b=3

Therefore the factorization is:

`(2x+3)^2`