Factor by grouping.18x2 - 24xy - 15xy + 20y2

A. (6x - 5)(3x - 4)
B. (6x + 5y)(3x - 4y)
C. (18x - 5y)(x - 4y)
D. (6x - 5y)(3x - 4y)

Answer: D

Mathematics

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