Factor by grouping.2a3 - 2a2 + 14a - 14
A. 2(a + 1)(a2 - 7)
B. 2(a - 1)(a2 + 7)
C. (2a - 1)(a2 + 7)
D. 2(a2 - 1)(a + 7)
Answer: B
Mathematics
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