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.
7*x^2 - (6sqrt{2}+2)*x-((9-6*sqrt{2})/2))=0
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
