Question

Could use a bit of help here. I'm terrible at Math. ​

Answer 1

Explanation:

Step 1: Answer problem 1

Pull out 4

`4(9x^2 - 4)`

Factor

`4(3x + 2)(3x - 2)`

Step 2: Answer problem 2

Factor

`(11 + 2x)(11 - 2x)`

Step 3: Answer problem 3

Pull out 9

`9(x^2 - 9)`

`9(x + 3)(x - 3)`