Find the product.-9ax6(9ax7 - 6x3 - 10)

A. -81ax7 + 54x3 + 90
B. -81a2x13 + 54ax9
C. -81a2x13 - 6x3 - 10
D. -81a2x13 + 54ax9 + 90ax6

Answer: D

Mathematics

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