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.
RSolve[ {f[x + 2] - f[x] == (6 x + 4)^2, f[0] == -16}, f[x], x]
RSolve[ {f[x + 2] - f[x] == (6 x + 4)^2, f[0] == -16}, f[x], x]
Natural Language
Math Input
Extended Keyboard