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Posted by on Thursday, February 3, 2011 at 7:48pm.

5x^4+3x^2-2x
-5x^4-3x^2+9x
_______________
0x^4+x^2+7x

is this right?

  • algebra - , Thursday, February 3, 2011 at 8:11pm

    Are you adding these two equations?
    If so,

    5x^4 + 3x^2 - 2x
    -5x^4 - 3x^2 + 9x
    -------------------
    0 + 0 + 7x

    The answer is 7x

  • algebra - , Thursday, February 3, 2011 at 8:51pm

    no im subtracting

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