SOLUTION: I need help factoring out this GCF. b^3-7b^2 Help?

Question 244679: I need help factoring out this GCF.
b^3-7b^2
Help?
Found 2 solutions by College Student, solver91311:
Answer by College Student(505) (Show Source): You can put this solution on YOUR website!

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Done!
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

The first term has 0 factors of 7 and 3 factors of b.

The second term has 1 factor of 7 and 2 factors of b.

The term that has the least factors of 7 is the first term which has 0 factors of 7, therefore there are 0 factors of 7 in the GCF.

The term that has the least factors of b is the second term which has 2 factors of b, therefore there are 2 factors of b in the GCF.

There are no other factors to consider, therefore the GCF is

John

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