Question

How do I finish this problem? I keep getting stumped here

Answer 1

I believe you would Add like terms so 4x^2-4x-3

Answer 2

1.)Break the expression into groups 
(4x^2+2x)+(-6x-3)
2.) Factor out
2x(2x+1)-3(2x+1)
3.)Factor out common term 
(2x+1)(2x-3)