Multiply the monomial and the polynomial.-9x2y(4x2y4 - 9xy3 + 4)
A. -36x4y5 + 81x3y4 - 36x2y
B. -36x4y5 + 81x3y4 - 36
C. -36x2y5 + 81x3y4 - 36x2y
D. -36x4y5 - 81x3y4 + 36x2y
Answer: A
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A. ? m3
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C. m3
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