Question

What is the GCF of 30b^2, 80b^2, and 20b^3?

Answer 1

$30b^2, 80b^2, \ and \ 20b^3$

$30b^2 = 10b^2(3)$

$80b^2 = 10b^2(8)$

$20b^3 = 10b^2(2b)$

$\text {GCF = } 10b^2$