SOLUTION: hello can you help me factor a^2-3a+ay-3y. Thank you!

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Question 112561: hello can you help me factor a^2-3a+ay-3y. Thank you!
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
a%5E2+-+3a+%2B+ay+-+3y
a%5E2+-+%283+-+y%29a+-+3y
I just try likely combinations and see if they work
%28a+-+3%29%28a+%2B+y%29
Now I expand this
a%5E2+-+3a+%2B+ay+-+3y
That's the original equation, so I have factored it