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.
x^3+(x+1)^3+(x+2)^3 = (x+3)^3
x^3+(x+1)^3+(x+2)^3 = (x+3)^3
Natural Language
Math Input
Extended Keyboard