Perform the indicated operation.(7m5 - 8m4 + 6m) + (2m5 - 2m4 + 5m)

A. 9m5 - 10m4 + 11m
B. 9m - 10m5 + 11m4
C. 10m10
D. 8m5 + 5m4 - 3m


Answer: A

Mathematics

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