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.
81.9 = (0.355+2x)^2/((0.114-x)(0.102-x)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
