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.
expand 1/((a+c)(b+c)) + 4/((a+b)(b+c)) +1/((a+b)(a+c))
expand 1/((a+c)(b+c)) + 4/((a+b)(b+c)) +1/((a+b)(a+c))
Natural Language
Math Input