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.
(k^2 + 5k/k+2 + 4k^2 -k3/ k^2-4)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
