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.
UPGRADE TO PRO
APPS
TOUR
Sign in
Evaluate [3(x^2 - 1)^2-x^4 12] 5x^3-1 wh
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random