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.
f(x)=3x^4 +2x^3-29x^2-14x+56
f(x)=3x^4 +2x^3-29x^2-14x+56
Natural Language
Math Input
Extended Keyboard
