(2+4x+9x^2+3x^3)+(1-4x+9x^5-3x^3) =

i got 3+81x^4, is that right?

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- Oct 21st 2008, 10:45 AMmathdummy22please check if I answered correctly
(2+4x+9x^2+3x^3)+(1-4x+9x^5-3x^3) =

i got 3+81x^4, is that right? - Oct 21st 2008, 10:48 AMmasters