SOLUTION: Hi. I need help with factoring 7a^3b-35a^2b^2+42ab^3

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Question 279219: Hi. I need help with factoring 7a^3b-35a^2b^2+42ab^3
Found 2 solutions by Alan3354, richwmiller:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Look for factors that are common to each element.
email me via the TY note for help, or to check your work.

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
first we see that 7 can be factored
and a
and b
so we factor 7ab
7ab*(a^2-5ab+6b^2)
using foil we see that we can factor
7ab*(a-2b)*(a-3b)