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.
120*x - (0.01x^3 - 1.8x^2 + 165x)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
