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OpenStudy (anonymous):
Find the sum and choose the correct answer. 2n 3 + 4n 2 - 7 and -n 3 - 8n - 2 A. -n3 + 4n2 - 8n - 9 B. n3 + 4n2 - 8n - 9 C. n3 + 4n2 - 8n - 5 D. n3 - 4n2 -9
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OpenStudy (anonymous):
C
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