You can
put this solution on YOUR website!
There is only one rational solution x = 0. All other solutions are
irrational, and can only be found by iterative methods which
graphing calculators and computers use.
Some of them are x ≈ ±4.493409458, x ≈ ±7.725251837, x ≈ ±10.904121659
There are infinitely many solutions.
Edwin