решите методом подстановки систему уравнений
x^2-3y^2=4,
x+y=6,
x=6-y,
(6-y)^2-3y^2=4,
36-12y+y^2-3y^2-4=0,
-2y^2-12y+32=0,
y^2+6y-16=0,
y1=-8, y2=2,
x1=14, x2=4.
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x^2-3y^2=4,
x+y=6,
x=6-y,
(6-y)^2-3y^2=4,
36-12y+y^2-3y^2-4=0,
-2y^2-12y+32=0,
y^2+6y-16=0,
y1=-8, y2=2,
x1=14, x2=4.