Question

What are the factors of `25(x+y)^2-16`?

Answer 1

`(5x + 5y - 4) (5x + 5y + 4)`

Explanation:

Using, `a^2 - b^2 = (a - b) (a + b)` ,factor the expression

`(5 (x + y) - 4) xx (5 (x + y) + 4)`

Distribute `5` through the parenthesis

`(5x + 5y - 4) xx (5x + 5y + 4)`