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x[tex] \frac{ x^{2} -2x-24}{ x^{2} -16} [/tex]
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Răspuns :

[tex]\displaystyle \frac{x^2-2x-24}{x^2-16} = \frac{(x-6)(x+4)}{(x+4)(x-4)} = \frac{x-6}{x-4} [/tex]