х=2-у
2х^2-ху=65
2(2-у)^2-(2-у)у=65
у=19/3
у=-3
х=2-(19/3)
х=2-(-3)
х=-13/3
х=5
(х1у1)=(-13/3; 19/3)
(х2у2)=(5;-3)
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х=2-у
2х^2-ху=65
2(2-у)^2-(2-у)у=65
у=19/3
у=-3
х=2-(19/3)
х=2-(-3)
х=-13/3
х=5
(х1у1)=(-13/3; 19/3)
(х2у2)=(5;-3)