You can put this solution on YOUR website! You haven't said what you wan to do with this "problem".
It is not an equation and therefore has no solution.
It is an expression and there is freedom of expression.
You could factor it.
x*(36x^2-64)
2x*(18x^2-32)
4x*(9x^2-16)
4x*(3x-4)(3x+4)