Factor 4x^2 - 36 completely.
Factor: 4x^2-364x^2-36=4(x+3)(x-3)4(x+3) (x-3)
you're answer is C because you can do the F.O.I.L. and then multiply it by 4. like this: 4(x+3)(x-3)4(x^2+3x-3x-9)4x^2-36.F.O.I.L is: First TermOuter TermIner TermLast Term.
