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.
solve x^4/20000-11x^3/750+28x^2/25-853-(1/3)=0
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random