Multiply.(-4x - 4y)(-4x + 9y + 1)

A. 16x2 - 20xy - 20y2
B. 16x2 + 16xy - 4x - 36y2 - 4y
C. 16x2 - 20xy - 4x - 36y2 - 4y
D. 16x2 - 36xy - 4x - 36y2

Answer: C

Mathematics

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