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Автор - Dasha691D

3-2х/x^2-25 - 8-x/x^2-25=

Ответ

Автор - agent2702
3-2x-8-x/ (x+5)(x-5)= 5-x/ (x+5)(x-5)= -  x-5/(x+5)(x-5)= - 1/x+5

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