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