Factor by grouping.8x4 + 12x2y2 + 10x2y2 + 15y4
A. (4x2 - 5y2)(2x2 - 3y2)
B. (8x2 + 5y2)(x2 + 3y2)
C. (4x2 + 5y)(2x2 + 3y4)
D. (4x2 + 5y2)(2x2 + 3y2)
Answer: D
Mathematics
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A. r ' =
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