SOLUTION: What is the GCF? 16a^4b^2 + 20a^2b^2 - 4ab^2

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Question 149735: What is the GCF?
16a^4b^2 + 20a^2b^2 - 4ab^2
Answer by ankor@dixie-net.com(12706) About Me  (Show Source):
You can put this solution on YOUR website!
16a^4b^2 + 20a^2b^2 - 4ab^2
:
4ab^2 is the GCF
:
4ab^2(4a^3 + 5a - 1)