Question 136108
y=x^3-2x 
{{{ graph( 300, 200, -6, 5, -10, 10, x^3 -2x) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, x^3 -2x). 
IT APPEARS THAT THE ORIGIN IS THE POINT OF SYMMETRY.