Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
[x*y=0,52*x^2-12*y^2+39=0,3*x^2-y^2+3=0]x=-19to19,y=-19to19
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random