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Posted by **CHECK MY ANSWER** on Thursday, February 3, 2011 at 9:46pm.

5x^4+3x^2-2x

-5x^4-3x^2+9x

_______________

0x^4+x^2+7x

is this right?

- COLLEGE ALGEBRA -
**helper**, Thursday, February 3, 2011 at 9:56pmAnswered below.

- COLLEGE ALGEBRA -
**CHECK MY ANSWER**, Thursday, February 3, 2011 at 11:17pmur an idiot

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