Respuesta :
[tex]\frac{x}{x^2-36} -\frac{6}{x^2-36} = \frac{x-6}{(x-6)(x+6)} = \frac{1}{x+6}
when x \neq 6, and \\x \neq -6[/tex]
[tex]\frac{x}{x^{2-}36} +\frac{6}{x^{2}-36} = \frac{x+6}{(x-6)(x+6)} = \frac{1}{x-6} , when x \neq 6, and\\x \neq -6.[/tex]
[tex]\frac{x}{x^{2-}36} +\frac{6}{x^{2}-36} = \frac{x+6}{(x-6)(x+6)} = \frac{1}{x-6} , when x \neq 6, and\\x \neq -6.[/tex]