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.
discriminant of (a - 3d) x^3 + (a - d) x^2 + (a + d) x + (a + 3d)
discriminant of (a - 3d) x^3 + (a - d) x^2 + (a + d) x + (a + 3d)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random