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Perform the operation indicated, then place the answer in the proper location on the grid. Write your answer in descending powers of m. (5m 3 + 3mn 2) + (-7m 2 n + mn 2 - n 3) - (mn 2 + 2m 3)

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texaschic101
5m^3 + 3mn^2 + (-7m^2n + mn^2 - n^3) - (mn^2 + 2m^3) =
5m^3 + 3mn^2 - 7m^2n + mn^2 - n^3 - mn^2 - 2m^3 =
3m^3 -7m^2n + 3mn^2 - n^3 <==

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