Предмет: Алгебра, автор: pukachu75

сократить дробь x²-5x+4/x-4 и найти её значение при x=-3

Приложения:

Ответы

Автор ответа: stromamova2

1

Ответ:

надеюсь понятно :) удачи!!

Объяснение:

Приложения:

Автор ответа: DobPblu1

1

У тебя получится два корня x1=1, x2=4

Подставь по формуле a(x-x1)(x-x2),и сократи, будет 1*(x-4)(x-1) разделить на (x-4), остаётся (x-1), при x=-3 , -3-1=-4

Ответ: -4

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