Add.(6n7 - 6n + 9n6) + (2n6 + 8n7 + 8n)

A. 27n14
B. 14n + 11n7 + 2n6
C. 14n7 + 11n6 + 2n
D. 2n7 + 8n6 + 17n


Answer: C

Mathematics

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