Multiply.(9x - 1)(x2 - 6x + 1)
A. 9x3 - 54x2 + 9x + 1
B. 9x3 - 55x2 + 15x - 1
C. 9x3 + 55x2 - 15x + 1
D. 9x3 - 53x2 + 3x - 1
Answer: B
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