Question

9x^2-y^2 in factored form

Answer 1

`(3a-y)(3a+y)`

Explanation:

This is a difference of squares that has the form and factors to:

`a^2x^2-b^2 = (ax-b)(ax+b)`

Here take the square root of each term for the factors.

`9a^2-y^2 = (3a-y)(3a+y)`