2sqrt(x^3-2x^(2/3))(x^10-4x^4)
=2sqrt(x^3-2x^(2/3))*(10x^9-16x^3)+(x^10-4x^4)(3x^2-4/(3x^1/3))/sqrt(x^3-2x^(2/3))
2sqrt(x^3-2x^(2/3))(x^10-4x^4)
=2sqrt(x^3-2x^(2/3))*(10x^9-16x^3)+(x^10-4x^4)(3x^2-4/(3x^1/3))/sqrt(x^3-2x^(2/3))