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Автор - NikNaim2231

(x+1)(x-2)-(x+5)(x+4)=-2

Ответ

Автор - PiGaNdSwIm

Ответ прикреплен во вложении:

Ответ

Автор - anastasia7759

Ответ:

х=-2

Объяснение:

(x+1)(x-2)-(x+5)(x+4)=-2

Раскрываем скобки

х^2-2х+х-2-х^2-4х-5х-20+2=0

Приводим подобные

-10х-20=0

Решаем линейное уравнение

-10х=20

х=-2

Ответы и объяснения

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