Ответ:
[tex](\frac{3}{x^{2} -9} +\frac{1}{3 -x} )\frac{x^{2}-6x+9 }{x}= (\frac{3}{(x-3)(x+3)} -\frac{1}{x -3} )\frac{(x-3)^{2}}{x}=(\frac{3-x-3}{(x-3)(x+3)})\frac{(x-3)^{2}}{x}=(\frac{-x}{(x+3)})\frac{(x-3)}{x}=\frac{3-x}{3+x}[/tex]
Объяснение:
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Ответ:
[tex](\frac{3}{x^{2} -9} +\frac{1}{3 -x} )\frac{x^{2}-6x+9 }{x}= (\frac{3}{(x-3)(x+3)} -\frac{1}{x -3} )\frac{(x-3)^{2}}{x}=(\frac{3-x-3}{(x-3)(x+3)})\frac{(x-3)^{2}}{x}=(\frac{-x}{(x+3)})\frac{(x-3)}{x}=\frac{3-x}{3+x}[/tex]
Объяснение: