Решите систему уравнений:
х - у = 4,
ху + у2 = 6.
xy+y^2=6
x-y=4
y=x-4
x*(x-4)+(x-4)^2=6
x^2-4x+x^2-8x+16=6
2x^2-12x+10=0
x₁=1, x₂=5
y₁=-3, y₂=1
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xy+y^2=6
x-y=4
xy+y^2=6
y=x-4
x*(x-4)+(x-4)^2=6
x^2-4x+x^2-8x+16=6
2x^2-12x+10=0
x₁=1, x₂=5
y=x-4
y₁=-3, y₂=1