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.
a^2 - b^2 - +3b - 5a - 16 - (2ab - 5b + 3a ) = 0
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random