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.
(-16000x² + 864000x)/(x+12)-((-336000x+18144000)/(x+12)+10000)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random