Mathematics
Aley523
17

Will mark brainiest 2.) Find the sum and choose the correct answer. 2n^3 + 4n^2 - 7 and -n^3 + 8n - 9 A.) -n^3 - 4n^2 - 8n - 16 B.) n^3 + 4n^2 + 8n - 16 C.) n^3 + 4n^2 + 8n + 16 D.) 3n^3 + 4n^2 + 8n - 2

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(1) Answers
pawelleoniuk

2n^3 - n^3 = n^3 4n^2 remains unchanged 8n remains unchanged -7 - 9 = -16 So the answer would be: n^3 + 4n^2 + 8n - 16

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