What is the greatest common factor of 10x^2 and 20x ?

Answer 1

10x^2 = 10(x)(x)

20x = 10(2)(x)

common factors are 10 and x.

(10)(x) = 10x is the greatest common factor

smaller common factors are 2, 5, 10, x, 2x, 5x.

Greatest common factor is 10x

2, 5 and x are the only factors common to both 10x^2 and 20x

multiply them together

2(5)x = 10x = GCF