Find the sum and choose the correct answer. 2n 3 + 4n 2 - 7 and -n 3 - 8n - 2
2n^3 + 4n^2 - 7 + (-n^3 + 8n - 9); = 2n^3 - n^3 + 4n^2 + 8n - 7 - 9; = n^3 + 4n^2 + 8n - 16
Question
Updated 1/23/2016 2:16:41 AM
Confirmed by jeifunk [1/23/2016 2:16:41 AM]
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