If 3x + 2y = 12 and xy = 6, then 9x2 + 4y2 = ______. – McqOptions

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1.	If 3x + 2y = 12 and xy = 6, then 9x2 + 4y2 = ______.
A.	36
B.	144
C.	72
D.	52
Answer» D. 52

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