SOLUTION: factor out the negative of the greatest common factor: -9b+63

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Question 168983: factor out the negative of the greatest common factor: -9b+63
Answer by Alan3354(21584) About Me  (Show Source):
You can put this solution on YOUR website!
factor out the negative of the greatest common factor: -9b+63
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= 9*(-b+7)
= -9*(b-7)
Either way.