points of intersection

Solve for x:
e^2 x^2-2 = 4

Add 2 to both sides:
e^2 x^2 = 6

Divide both sides by e^2:
x^2 = 6/e^2

Take the square root of both sides:
Answer: | 
| x = sqrt(6)/e               or x = -sqrt(6)/e