Multiply.[6y + (7x + 4)][6y - (7x + 4)]
A. 36y2 - 49x2 - 28x - 16
B. 36y2 - 49x2 - 56x + 16
C. 36y2 - 49x2 + 56x + 16
D. 36y2 - 49x2 - 56x - 16
Answer: D
Mathematics
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?
?
A. 
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D. ?
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