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.
-0.1\sqrt{15}(\sqrt{15}-2\sqrt5+20)=-1.5+\sqrt3-2\sqrt{15}
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
