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 (n^2 + sqrt(2)n + 2)(n^2 - sqrt(2)n + 2)
expand (n^2 + sqrt(2)n + 2)(n^2 - sqrt(2)n + 2)
Natural Language
Math Input
Extended Keyboard
