Let f(x)=(x10)58\displaystyle {f{{\left({x}\right)}}}={\left({x}-{10}\right)}^{{5}}-{8}, determine f1(x)\displaystyle {{f}^{{-{1}}}{\left({x}\right)}}.

f1(x)= \displaystyle {{f}^{{-{1}}}{\left({x}\right)}}=\