Question 1130740


{{{root(3,(-216x^10* y^21 ) )}}}

{{{root(3,(-2^3*3^3*x^10 (y^7)^3 ) )}}}

{{{2*3y^7*root(3,(-1*x^10  ) )}}}

{{{6y^7*root(3,x^10   )*root(3,-1)}}}