Solve the problem. 3xy = z2 x - y + z = 3x2 + y2 - 2z2 = -72
A. {(3, 9, 9), (-3, -9, 9)}
B. {(3, 9, 9), (9, 3, 9)}
C. {(3, 9, 9), (-9, -3, 9)}
D. {(-3, -9, 9), (9, 3, 9)}
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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.
What will be an ideal response?
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