Предмет: Математика, автор: Maksim77797

Решите уравнение срочно надо

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Ответы

Автор ответа: БарышняБоярышня

Находим дискреминант

он равен 81

корень из дискреминанта равен 9

х1=7

х2=-2

Автор ответа: Vazhnin

х^2 + 5х - 14 = 0

По теореме Виетты

х1 = - 7

х2 = 2

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