Simplify and write the resulting polynomial in descending order of degree.-11m9 + 2m6 - 9m2 + 14m9 - 13m6
A. 391m
B. 3m9 - 11m6 - 9m2
C. 23m17
D. 3m9 + 11m6 + 9m2
Answer: B
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