SOLUTION: how do i do this problem? (7m2 -9m -8 )+(5m2+10m+4)

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Question 726634: how do i do this problem?
(7m2 -9m -8 )+(5m2+10m+4)
Answer by tanjo3(60) About Me  (Show Source):
You can put this solution on YOUR website!
Remove parentheses:
7m%5E2+-+9m+-+8+%2B+5m%5E2+%2B+10m+%2B+4
Combine like terms:
12m%5E2+%2B+m+-+4