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.
(2\sqrt{5} + 4\sqrt{3})(2\sqrt{3} - 8\sqrt{5})
(2\sqrt{5} + 4\sqrt{3})(2\sqrt{3} - 8\sqrt{5})
Natural Language
Math Input
Extended Keyboard