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.
16-2square root of 20 -2 square root of 28+2 square root of 35
16-2square root of 20 -2 square root of 28+2 square root of 35
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random