SOLUTION: Factor 21XYZ-36XY+9YZ

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Question 23763: Factor
21XYZ-36XY+9YZ
Answer by music974(43) About Me  (Show Source):
You can put this solution on YOUR website!
First you see if there is a GCF and there is so you go 3y(7xz-12x+9z). This would then be your answer because you can do nothing else.