
Andrew M. answered 10/12/17
Tutor
New to Wyzant
Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors
Since there is no variable on the constant 40
the GCF will be the greatest common factor of 24 and 40
24 40
2 12 2 20
2 2 6 2 2 10
2 x 2 x 2 x 3 2 x 2 x 2 x 5
The GCF is 23 = 8
24x + 40 = 8(3x + 5)