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.
expand xy(x^2 - y^2) + yz(y^2 - z^2) + zx(z^2 - x^2)
expand xy(x^2 - y^2) + yz(y^2 - z^2) + zx(z^2 - x^2)
Natural Language
Math Input
Extended Keyboard
