решите систему уравнения пожалуйста
ху=8
х+у=6
y=6-x
x(6-x)=8
6x-x^2-8=0
x^2-6x+8=0
x1=4
x2=2
y(6-y)=8
x=6-y x1=6-2=4; x2=6-4=2
y^2-6y+8=0
D=36-32=4
y1=6-4/2=2
y2=6+4/2=4
Ответ: 2;2;4;4
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Answers & Comments
y=6-x
x(6-x)=8
6x-x^2-8=0
x^2-6x+8=0
x1=4
x2=2
y(6-y)=8
x=6-y x1=6-2=4; x2=6-4=2
y^2-6y+8=0
D=36-32=4
y1=6-4/2=2
y2=6+4/2=4
Ответ: 2;2;4;4