Question

What is the greatest common factor of 30b^2, 80b^, 20b^3?

Answer 1

10b^2

Explanation:

30b^2: 5 * 2 * 3 * b^2

80b^2: 5 * 2 * 2 * 2 *2 * b^2

20b^3: 5 * 2 * 2 * b^2 * b

The highest common factor is in bold script. It is 10b^2