Posted by Anonymous on Thursday, February 3, 2011 at 9:07pm.
im subtracting
5x^4+3x^22x
5x^43x^2+9x
_______________
0x^4+x^2+7x
is this right?

algebra  ashley, Thursday, February 3, 2011 at 9:45pm
yes

algebra  helper, Thursday, February 3, 2011 at 9:52pm
If this is your problem
(5x^4 + 3x^2  2x)  (5x^4  3x^2 + 9x)
Answer is
10x^4 + 6x^2  11x

algebra  CHECK MY ANSWER, Thursday, February 3, 2011 at 11:24pm
thanks

algebra  MattsRiceBowl, Friday, February 4, 2011 at 12:10am
If they're not in parenthesis, the answer is 7x
Write out exactly how it is in the book.
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