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OpenStudy (anonymous):
Find the sum. (4n^2 + 2n + 8) + (5n^2 + n + 13) A. 9n^4 + 3n^2 + 21 B. 9n^2 + 3n + 21 C. 9n^2 + 2n + 21
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OpenStudy (anonymous):
remove the parenthesis and combine like terms 9n^2 + 3n + 21
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