Multiple choice question III — task. Mathematics State Board, Class 10.

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\frac{x}{x^{2} - 25} - \frac{8}{x^{2} + 6 x + 5}

gives

$\frac{x^{2} + 7 x + 40}{(x - 5) (x + 5) (x + 1)}$
$\frac{x^{2} - 7 x + 40}{(x^{2} - 25) (x + 1)}$
$\frac{x^{2} - 7 x + 40}{(x - 5) (x + 5)}$
$\frac{x^{2} + 10}{(x^{2} - 25) (x + 1)}$

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