Multiply. Simplify by combining like terms.(x2 - 6xy2)(x2y - 12y)

A. x4y - 6x3y3 - 12x2y + 72xy3
B. x4y - 18x3y3 + 72xy3
C. x4y + 6x3y3+ 12x2y + 72xy3
D. x4y - 18x2y + 72xy3


Answer: A

Mathematics

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A.
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A. a)   b)   c) 
B. a)   b)   c) 
C. a)   b)   c) 
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