Предмет: Алгебра, автор: ksyualimova

Решите уравнение √7-10х = х

Ответы

Автор ответа: Abc095

1

Ответ:

x=-5-8√2

Объяснение:

√(7-10x)=x

ОДЗ: 7-10x≥0

10x≤7

x≤0,7

7-10x=x²

x²+10x-7=0

x=-5-√128=-5-8√2

ksyualimova: Там и г

ksyualimova: там и 7 и 10х под корнем

Abc095: Тогда подругому

ksyualimova: я зна.

ksyualimova: Я знаю*

Abc095: Исправил

ksyualimova: спасибо большое

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