If 3x + 2y = 12 and xy = 6
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Answer:
3x+2y=12
Squaring both sides, we get
(3x+2y)²=144
=9x²+4y²+2×3x×2y=144 9x²+4y² =144−12xy 9x² +4y² =144−12×6 since xy =6 9x²+4y²=144−72=72 9x²+4y²=72
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