SOLUTION: 21b^2-66b^2+9b=

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Question 1002411: 21b^2-66b^2+9b=
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
21b^2-66b^2+9b=
Combine b^2 terms and get
-45b^2 + 9b