x-y=2
x=y+2
y(y+2)+(y+2)=56
y^2+2y+y+2=56
y^2+3y-54=0
y1+y2=-3
y1*y2=-54
y1=-9
y2=6
x1=-9=2
x1=-7
x2=6+2
x2=8
Ответ:x1=-7,x2=8,y1=-9.y2=6
x=2+y
2y+y2+2+y-56=0
y2+3y-54=0
d=15
y1=6
y2=-9
подставляем в первую строчку
x1=8
x2=-7
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Answers & Comments
x-y=2
x=y+2
y(y+2)+(y+2)=56
y^2+2y+y+2=56
y^2+3y-54=0
y1+y2=-3
y1*y2=-54
y1=-9
y2=6
x1=-9=2
x1=-7
x2=6+2
x2=8
Ответ:x1=-7,x2=8,y1=-9.y2=6
x=2+y
2y+y2+2+y-56=0
y2+3y-54=0
d=15
y1=6
y2=-9
подставляем в первую строчку
x1=8
x2=-7