Question

If possible, factor 225x2 − 9y2

Answer 1

Answer:

9(5x+y)(5x-y)

Step-by-step explanation:

Answer 2

Answer:

9(5x + y)(5x -y)

Step-by-step explanation:

You can just factor out 9 first.

9(25x^2 - y^2)

Then you can use difference of squares formula:

9(5x + y)(5x -y)