Question 706784
{{{root(3,125(x-4)^3)}}}


{{{root(3,125)*root(3,(x-4)^3)}}}


{{{root(3,5^3)*root(3,(x-4)^3)}}}


{{{5(x-4)}}}


{{{5x-20}}}


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So {{{root(3,125(x-4)^3)}}} simplifies to {{{5x-20}}}


In other words {{{root(3,125(x-4)^3)=5x-20}}}