SOLUTION: What is the GCF? 16a4b2 + 20a2b2 - 4ab2 a.4ab b.4b2 c.4ab2 d.none of the above

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Question 66442: What is the GCF?
16a4b2 + 20a2b2 - 4ab2
a.4ab
b.4b2
c.4ab2
d.none of the above

Answer by sister_insomnia(8) About Me  (Show Source):
You can put this solution on YOUR website!
The GCF is the greatest common factor between 16, 20, and 4 is 4. The GCF between a4b2, a2b2, and ab2 is ab2. Therefore, the answer is 4ab^2 or c.