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Find the sum and choose the correct answer. 5n^3 + 4n^2 - 9 + (-2n^3 + 7n - 5) -3n3 - 4n2 - 7n - 4 3n3 + 4n2 + 7n - 14 3n3 + 4n2 + 7n + 14 3n3 + 4n2 + 7n - 4
5n^3 + 4n^2 - 9 + (-2n^3 + 7n - 5) = 5n^3 - 2n^3 + 4n^2 + 7n - 9 - 5 = 3n^3 + 4n^2 + 7n - 14
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Asked 2/17/2016 12:26:29 PM
Updated 2/18/2016 4:06:27 AM
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Edited by Andrew. [2/18/2016 4:06:16 AM], Edited by Andrew. [2/18/2016 4:06:27 AM]
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5n^3 + 4n^2 - 9 + (-2n^3 + 7n - 5)
= 5n^3 - 2n^3 + 4n^2 + 7n - 9 - 5
= 3n^3 + 4n^2 + 7n - 14
Added 2/18/2016 2:01:38 AM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [2/18/2016 4:06:30 AM]
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