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Mathematics 19 Online
OpenStudy (anonymous):

After arranging the terms in descending powers of a variable, select the opposite of the polynomial. 9 - 12n^2 + 4n^3 - 7n 4n^3 - 12n^2 - 7n + 9 -4n^3 + 12n^2 + 7n - 9 4n^3 + 12n^2 + 7n + 9 -4n^3 - 12n^2 + 7n - 9

OpenStudy (anonymous):

please help

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