Question 568190
<pre>
{{{(x^(-4/5))^(-5/6)}}}

To remove the parentheses, multiply the exponents

{{{(x^(-4/5))^(-5/6)}}} = {{{matrix(2,1,"",


x^(expr(-4/5)expr(-5/6)))


}}} = {{{matrix(2,1,"",


x^(20/30))}}} = {{{matrix(2,1,"",


x^(2/3))}}} = {{{root(3,x^2)}}} 

Edwin</pre>