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Question
$$56 = x^{12}$$
Answer
This equation has no solution.
Explanation
$$ \begin{aligned} 56 &= x^{12}&& \text{move all terms to the left hand side } \\[1 em]56-x^{12} &= 0&& \text{simplify left side} \\[1 em]-x^{12}+56 &= 0&& \\[1 em] \end{aligned} $$
This polynomial has no rational roots that can be found using Rational Root Test.
Roots were found using Newton method.
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