Factor by grouping.8m3 + 40m2 - 2m - 10
A. 2(4m2 - 1)(m + 5)
B. 2(4m2 + 1)(m - 5)
C. (4m2 - 1)(2m + 5)
D. 2(4m - 1)(m2 + 5)
Answer: A
Mathematics
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