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Your answer is longer than necessary.

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$\\displaystyle \\frac{\\sqrt[\\var{root}]{ a^\\var{n}\\times b\\times a^\\var{root-n}}}{ c^\\var{-m}\\times a\\times b^0\\times b^{1/\\var{root}}}\\times \\left(\\frac{ a^\\var{p}\\times b}{ c}\\right)^\\var{m}+\\var{mult}( a^\\var{root-n}\\times b^\\var{m+root}\\times c^\\var{n+m})^0-\\frac{ a^\\var{p*m-n}\\times a^\\var{n}}{ b^\\var{-m}}$ = [[0]]

\n

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Simplify the following

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