Question 1078831
 
{{{((-xy^-1)(-x^5y^2))^5}}}


= {{{((-x^5(1/y^5))(-x^(5*5)y^(2*5)))}}}


= {{{(-x^5/y^5)(-x^25y^10)}}}


= {{{(-x^5*(-x^25)y^cross(10)5)/cross(y^5)}}}


 ={{{x^30y^5}}}