How do you factor 4x^2-12x-7?

Question

I need help on a math problem factoring a trinomial.   4x^2-12x-7

Answer 1

4x^2-12x-7

4*7=2*2*7=(2)*(2*7)=2*14 and 14-2=12, the coefficient of the middle term

(2x-7)(2x+1) is the answer