Factor by grouping.4a3 - 8a2 + 9a - 18

A. (4a2 - 2)(a + 9)
B. (4a2 + 9)(a - 2)
C. (4a + 9)(a2 - 2)
D. (4a2 + 1)(9a - 2)


Answer: B

Mathematics

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