Приведите дроби \(\displaystyle \frac{1}{(x+5)(x-7)}\) и \(\displaystyle \frac{1}{(x+5)(x-3)}\) к общему знаменателю.

\(\displaystyle \frac{1}{(x+5)(x-7)}=\)

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\(\displaystyle \frac{1}{(x+5)(x-3)}=\)

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