SOLUTION: in need of help with this factoring problem. 45a^4 b^2 - 75a^3b+30ab^4

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Question 209415: in need of help with this factoring problem.
45a^4 b^2 - 75a^3b+30ab^4
Answer by RAY100(1637) About Me  (Show Source):
You can put this solution on YOUR website!
find GCF of each term,,,15 a b
.
15ab(3a^3b-5a^2+2b^3)
.