Multiply the polynomials.(3x - 9y)(-5x + 12y + 1)
A. -15x2 + 36xy + 3x - 108y2
B. -15x2 + 81xy + 3x - 108y2 - 9y
C. -15x2 + 81xy + 81y2
D. -15x2 + 45xy + 3x - 108y2 - 9y
Answer: B
Mathematics
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A. 
B. 
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What will be an ideal response?
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