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*(x/2)^2 + (2x/2)^2 + 3*((30-2x)/3)^2 + 4x*(1/2)^2 + 3*(30-2x)*(1/3)^2
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random