Factor the expression.12y4 + 30y3 - 12y2 - 6y
A. 6y2(2y2 + 5y - 2)
B. 6y(2y3 + 5y2 + 2y - 1)
C. 6(2y4 + 5y3 - 2y2 - y)
D. 6y(2y3 + 5y2 - 2y - 1)
Answer: D
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