Factor completely. If unfactorable, indicate that the polynomial is prime.49k3m + 42k2m2 + 9km3
A. km(7k + 3m)(7k - 3m)
B. km(7k + 3m)2
C. km(7k - 3m)2
D. prime
Answer: B
Mathematics
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A. 
B. 
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D. 
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Mathematics