...yet I'm unable to figure it out.

Simplify:

(15x^2-8x-8)/(3x+2)

(Edit)

Seem to have broken forum rules! I've tried to divide it out as so:

15x^2/3-8x/x-8/2

which gets me

5x^2-8-4

5x^2-12

However when I multiply that by (3x+2) 15x^2-8x-8 is not my answer!