Perform the indicated operation.(5x - 7y)2
A. 5x2 + 49y2
B. 25x2 - 70xy + 49y2
C. 5x2 - 70xy + 49y2
D. 25x2 + 49y2
Answer: B
Mathematics
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B. 29
C. 29
D. 28
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and 
A. not equivalent B. equivalent
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