Question

Rewit` sistemu uravneniy:
x-y=1
x-4y^2=1

Answer 1

x=1+y
1+y-4y²-1=0
y+4y²=0
y(1+4y)=0
y=0⇒x=1
y=-1/4⇒x=3/4
(1;0)  (3/4;-1/4)