Find the sum and choose the correct answer. 2n3 4n2 - 7 and -n3 8n - 9 answer choices are: A. -n3 - 4n2 - 8n - 16 B. n3 4n2 8n - 16 C. n3 4n2 8n 16 D. 3n3 4n2 8n - 2
2n^3 + 4n^2 - 7 + (-n^3 - 8n - 2)
= =(2n^3 - n^3) + (4n^2) + (-8n)+(-7 - 2) = n^3 + 4n^2 - 8n - 9
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jeifunk|Points 88913|
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Asked 2/2/2018 6:25:07 AM
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