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.
UPGRADE TO PRO
APPS
TOUR
a = 0.10072, 4*x^3-12*a*x^2-(18*a+a^2)*x+(9a^3+18*a^2-4*a+4)=0
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random