
Andrew M. answered 10/24/17
Tutor
New to Wyzant
Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors
GCF of 4, -8, -4 = 4
GCF of x5, x4, x3 = x3
GCF of 4x5 - 8x4 - 4x3 = 4x3
4x3(x2 - 2x - 1)