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.
minimum value of 3x^4−20x^3−72x^2−168x+5000
minimum value of 3x^4−20x^3−72x^2−168x+5000
Natural Language
Math Input
Extended Keyboard