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.
0 %3D 1%2Bsqrt%282*x%5E2-%281%2F4%29*x%5E4%29
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random