Предмет: Алгебра, автор: ulianaaanochvayyy

ДАЮ 70 БАЛІВ, ДОПОМОЖІТЬ

Приложения:

Ответы

Автор ответа: moisevicdomka

Ответ:

Объяснение:

ВЫБИРАЙ 4 С НИЗУ ОН ВЕРНЫЙ

Автор ответа: MuhammadGulu

Ответ:

3x²+6x-9=3(x²+2x-3)=3(x-1)(x+3)

Проверка:

3(x-1)(x+3) раскроем скобки

3(x²+3x-x-3)=3(x²+2x-3)=3x²+6x-9

Ответ: 4й

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