x-y=2
x-y²=2
x=2+y
2+y-y²=2
-y²+y+2-2=0
-y²+y=0
-y²+y=0 | :(-1)
y²-y=0
y1=0, y2=1
y1=0,y2=1
x1=2+0=2, x2=2+1=3
x1=2,x2=3
(2,0);(3,1)
x-y=2
x-y²=2
x=2+y
2+y-y²=2
x=2+y
-y²+y+2-2=0
x=2+y
-y²+y=0
-y²+y=0 | :(-1)
y²-y=0
y1=0, y2=1
x=2+y
y1=0,y2=1
x1=2+0=2, x2=2+1=3
y1=0,y2=1
x1=2,x2=3
y1=0,y2=1
(2,0);(3,1)