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.
graph x⁴ - 2x³ - 39x² + 40x + 400
graph x⁴ - 2x³ - 39x² + 40x + 400
Natural Language
Math Input
Extended Keyboard
