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 ((x^2+5)((2x^3+5)(7x+4)+7x^3))/(3x^4)
expand ((x^2+5)((2x^3+5)(7x+4)+7x^3))/(3x^4)
Natural Language
Math Input
Extended Keyboard