Factor completely.81k3m - 192m4
A. (9km - 12m2)(9k2 + 16m2)
B. 3m(3k + 4m2)(9k2 - 12km + 16km2)
C. 3m(27k - 4m)(k2 + 12km + 16m2)
D. 3m(3k - 4m)(9k2 + 12km + 16m2)
Answer: D
Mathematics
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