Объяснение:
№4
(5х - 15у)/(х² - 9у²) = 5(х - 3у)/(х + 3у)/(х - 3у) =
5/(х + 3у)
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Verified answer
Объяснение:
№4
(5х - 15у)/(х² - 9у²) = 5(х - 3у)/(х + 3у)/(х - 3у) =
5/(х + 3у)