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.
0 < x4 – 6x3 + 6x2 + 9x + 2
0 < x4 – 6x3 + 6x2 + 9x + 2
Natural Language
Math Input
Extended Keyboard
