Question 821212
{{{root(3,(y^3+5)^(18))}}}


{{{((y^3+5)^(18))^(1/3)}}}


{{{(y^3+5)^(18(1/3))}}}


{{{(y^3+5)^(18/3)}}}


{{{(y^3+5)^(6)}}}

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So, {{{root(3,(y^3+5)^(18))}}} simplifies to {{{(y^3+5)^(6)}}}