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.
solve: (7/13500)*x³-(7/300)*x²+15 , x=-5
solve: (7/13500)*x³-(7/300)*x²+15 , x=-5
Natural Language
Math Input
Extended Keyboard