Question

The factors of each term in the expression 8x + 12xy are shown below. 8x: 1, 2, 4, 8, x 12xy: 1, 2, 3, 4, 6, 12, x, y What is the greatest common factor of 8x and 12xy?

a 2
b 2x
c 4x
d 8x

Answer 1

c. 4x
since the highest number that divides both is 4 and both have x