Perform the indicated operation.(2n7 + 8n4 + 9) - (13n4 + 7n7 + 13) + (n8 - 14)
A. -28n11
B. n8 - 5n7 - 5n4 + 8
C. n8 - 5n7 + 15n4 + 8
D. n8 - 5n7 - 5n4 - 18
Answer: D
Mathematics
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+ 
+ 
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