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Posted by Megan on Wednesday, April 13, 2011 at 7:03pm.

(6x4 +4x3 - 2x2 +5) - (3x4 - 2x3 +x+4)

(6x^4+4x^3-2x^2+5)-(3x^4-2x^3+x+4)= 6x^4+4x^3-2x^2+5-3x^4+2x^3-x-4=(6x^4-3x^4)+(4x^3+2x^3)-2x^2-x-4+5=3x^4+6x^3-2x^2-x-1

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