Multiply using a special product formula.(4x - 9y)2
A. 4x2 + 81y2
B. 16x2 - 72xy + 81y2
C. 16x2 + 81y2
D. 4x2 - 72xy + 81y2
Answer: B
Mathematics
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? 
? 
A. 
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C. 
D. 
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= 16
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