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)*y=0,(x--2)^2--(y--2/2)^2=(-2/2--2)^2,(x--2)^2--(y--4/2)^2=(-4/2--2)^2]
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random