SOLUTION: 9).Factor xy-xa+y-a

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Question 442576: 9).Factor xy-xa+y-a

Found 2 solutions by swincher4391, MathLover1:
Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
Notice these two groupings:
highlight%28xy%29-xa%2Bhighlight%28y%29-a
xy+-+highlight%28xa%29%2B+y+-+highlight%28a%29
Rearrange so that we have a group of ys and a group of as.

Once we factor out a ys and as, we notice each has a common factor of (x+1), so we factor out x+1.
Our final answer is : highlight%28%28x%2B1%29%28y-a%29%29

Answer by MathLover1(20850) About Me  (Show Source):