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.
Simplify ( (x-2)^2 (x2-1)+(x2+5x+4) )/ (x+1)�
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random