Ответ:
[tex] \frac{x {}^{2} - 4 }{2x + 4} = \frac{(x - 2)(x + 2)}{2(x + 2)} = \frac{x - 2}{2} [/tex]
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Ответ:
[tex] \frac{x {}^{2} - 4 }{2x + 4} = \frac{(x - 2)(x + 2)}{2(x + 2)} = \frac{x - 2}{2} [/tex]