3x + 2y = 12 and xy = 6, them the value of 9x2 + 4y2 is ? – McqOptions

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1.	3x + 2y = 12 and xy = 6, them the value of 9x² + 4y² is ?
A.	76
B.	80
C.	72
D.	74
Answer» D. 74

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