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.
[x*y=0,y-70*x^2-1500*x=-2*x^3]x=0to50
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random