((x^3-4)^3-16)^3 - (x^2+4)^4 - 8(x^2+4)^2(3(x^3-4)^3+16) = 0

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.