Question

How do you solve `(x+3)(x-3) > 0`?

Answer 1

`x > 3`

Explanation:

`(x + 3)(x - 3) > 0`

`x² - 3x + 3x - 9 > 0`

`x² - 9 > 0`

`x² > 9`

`x > sqrt9`

`x > 3`