Factor the sum or difference of two cubes.81k3m - 24m4
A. (9km - 6m2)(9k2 + 4m2)
B. 3m(3k + 2m2)(9k2 - 6km + 4km2)
C. 3m(3k - 2m)(9k2 + 6km + 4m2)
D. 3m(27k - 2m)(k2 + 6km + 4m2)
Answer: C
Mathematics
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A. x = 5
B. x = 
C. x = 1
D. x = 0
Mathematics