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OpenStudy (anonymous):
What is the sum of x^2-3x+7 and 3x^2+5x-9
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OpenStudy (debbieg):
Add polynomials by combining like terms. Combine like terms by adding the coefficients. E.g.: \(5x^2-2x^2=3x^2\) \(-4x+9x=5x\) etc. |dw:1380670134363:dw|
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