(2+4x+9x^2+3x^3)+(1-4x+9x^5-3x^3) = i got 3+81x^4, is that right?
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Originally Posted by mathdummy22 (2+4x+9x^2+3x^3)+(1-4x+9x^5-3x^3) = i got 3+81x^4, is that right? You can only combine 'like' terms. Like terms are terms that have the same variable and exponent. Answer should be
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