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OpenStudy (anonymous):
Find the sum and choose the correct answer. (2n3 - 8n2 + 7) + (n3 + 8n - 9) 3n3 - 2 3n3 - 8n2 + 8n - 2 2n6 - 8n2 + 8n - 2 3n6 - n - 2
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OpenStudy (anonymous):
You add like terms (2n3+n3)+(-8n2)+(8n)+(7-9)=3n3-8n2+8n-2
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