Question

What is the greatest common factor of 3x4, 15x3, and 21x??

Answer 1

3

Explanation:

3*4=12

15*3=45

21x= 7*3*x

Answer 2

The GCF of 3x^4, 15x^3 and 21x is 3x^2

Explanation:

3x^2(x^2), 3x^2(5x) , 3x^2(7)