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September 30, 2014

September 30, 2014

Posted by **mema** on Sunday, May 22, 2011 at 2:10pm.

(-8x^2-2x+4)+(x^2-9x+7)

- algebra -
**Henry**, Sunday, May 22, 2011 at 4:52pmRemove parenthesis,combine like-terms and get:

-7X^2 - 11X + 11.

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