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OpenStudy (anonymous):
Add the following polynomials: (7x2 + x + 13) + (2x2 – 5x + 10)
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hero (hero):
\((7x^2 + 2x^2) + (x - 5x) + (13 + 10)\) \((7 + 2)x^2 + (1 - 5)x + (13 + 10)\)
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