Question

How do you factor completely `27x^2y^2-36xy`?

Answer 1

`27x^2y^2-36xy=color(blue)(9xy(3xy-4)`

Explanation:

`27x^2y^2-36xy`

The two terms have `9`, `x` and `y` in common. So the GCF is `9xy`.

Factor out the GCF from both terms..

`9xy(3xy-4)`