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.
3x^2+6-2x+5x-4x^2+9
3x^2+6-2x+5x-4x^2+9
Natural Language
Math Input
Extended Keyboard
