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.
(-2 x^3 + 21 x^2 - 20 x - 12 )/ (x - 3)
(-2 x^3 + 21 x^2 - 20 x - 12 )/ (x - 3)
Natural Language
Math Input
Extended Keyboard