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.
3^(x + y) = 64, 4^(x - y) = 3, x^2 - y^2 = ?
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
