Question 866293
y=x^2-2x-1 ---(1)
y=-x^2+4x-1 ---(2)

(1)=(2) 
x^2-2x-1=-x^2+4x-1
2x^2-6x=0
x^2-3x=0
(x)(x-3)=0
x=0 or x=3

Using (1),
When x=0,y=-1   
When x=3,y=2