Question 887288
y{cubed root(81x^2)}-{cubed root(24x^2y^3)}
***
{{{y*root(3,81x^2)-root(3,24x^2y^3)}}}
{{{y*root(3,3^4x^2)-root(3,8*3x^2y^3)}}}
{{{3y*root(3,3x^2)-2y*root(3,3x^2)}}}
{{{root(3,3x^2)(3y-2y)}}}
{{{y*root(3,3x^2)}}}