Предмет: Алгебра, автор: dccjdhdh1

скоротіть дріб 4а -20/а^2 -25

Ответы

Автор ответа: iramazurk

1

Объяснение:

(4а - 20)/(а² - 25) = 4(а-5)/(а-5)(а+5) = 4/(а + 5)

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