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.
=3f·2f+3f·(-7g)+3f·(-5h)+15g·2f+15g·(-7g)+15g·(-5h)+6h·2f+6h·(-7g)+6h·(-5h)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random