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.
(16-(4-2x)^2)^2-4(-1)(-16(4-2x)^2-64) >=0
(16-(4-2x)^2)^2-4(-1)(-16(4-2x)^2-64) >=0
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
