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April 18, 2015

Posted by **joe hahira** on Monday, March 7, 2011 at 12:00pm.

- algebra -
**Henry**, Monday, March 7, 2011 at 10:36pmP=(7X^3 - 9X^2 - 2X + 4)-(X^2 + 7X -5).

P=7X^3 - 9X^2 - 2X + 4 - X^2 - 7X + 5,

Combine like-terms:

P = 7X^3 - 10X^2 - 9X + 9,

- algebra -
**Henry**, Monday, March 7, 2011 at 10:39pmP=(7X^3 - 9X^2 - 2X + 4)-(X^2 + 7X -5).

P=7X^3 - 9X^2 - 2X + 4 - X^2 - 7X + 5,

Combine like-terms:

P = 7X^3 - 10X^2 - 9X + 9,

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