Arrange in descending powers of x.14mx - 8mn + 9x4 + 5mx2

A. 9x4 + 5mx2 + 14mx - 8mn
B. -8mn + 14mx + 5mx2 + 9x4
C. 14mx - 8mn + 9x4 + 5mx2
D. 14mx - 8mn + 5mx2 + 9x4

Answer: A

Mathematics

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