Предмет: Алгебра, автор: margosofi83

х^2-7х-18=0 найдите корни уравнения ребят срочно надо
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Ответы

Автор ответа: Deez12
0

Ответ:

Теорема виета

x1=9

x2=-2

Автор ответа: fenix6810
0

Ответ:

x1=9  x2=-2

Объяснение:

D=49+72=121

x=(7+-√121)/2=(7+-11)/2

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