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