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[tex] \frac{x - 6}{x( {x}^{2} - 16) } \\ \\ x( {x}^{2} - 16) ≠0 \\ \\x≠0 \\ {x}^{2} - 16≠0 \\ \\ x≠0 \\ x - 4 ≠0 \\ x + 4≠0 \\ \\ x≠0 \\ x≠4 \\ x≠ - 4 \\ \\ x \: є \: ( - \infty ; - 4)u( - 4;0)u(0;4)u(4; \infty )[/tex]