Perform the indicated operation.(8n7 - 12n6 - 2) - (6n7 - 9n6 - 6) + (n8 + 5)

A. n8 + 2n7 - 6n6 - 3
B. 8n13
C. n8 + 2n7 - 3n6 - 3
D. n8 + 2n7 - 3n6 + 9

Answer: D

Mathematics

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