SOLUTION: subtract 5m^2+2m+9 from 7m^2-5m-8

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Question 85137: subtract 5m^2+2m+9
from
7m^2-5m-8
Answer by tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
7m^2-5m-8
(-)(5m^2+2m+9) [change the signs and add]
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7m^2-5m-8
-5m^2-2m-9)
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2m^2-7m-17