SOLUTION: factor completely, if prime then state, show all work a^2b-2ab-15b

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Question 965741: factor completely, if prime then state, show all work
a^2b-2ab-15b
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
a%5E2b-2ab-15b
Factor out b
b%28a%5E2+-+2a+-+15%29
Factors to
b%28a-5%29%28a%2B3%29