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March 1, 2015

Posted by **corinne** on Monday, February 11, 2013 at 8:14am.

- Math112 -
**Steve**, Monday, February 11, 2013 at 10:20amjust add/subtract like powers:

8t^2 - 4t + 2

-(5t^2 - 5t + 7)

--------------------

3t^2 + t - 5

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