Предмет: Алгебра, автор: korzmisa649

Помогите пожалуйста с 3 по 5

Приложения:

Ответы

Автор ответа: koliasiktophik00718

Ответ:

3)х(+7)-6х-42=0

х(х+7)-6( х+7)=0

4)7х(х+1)-9х-9=0

7х(х+1)-9(х+1)=0

Объяснение:

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