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.
factor 54x^2b -9x^2 -54x b^2 +9 x b -9b^2 +7
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
