Предмет: Алгебра, автор: Рита309

Помогите, разложите на множители 3a²-3b²-a+b

Ответы

Автор ответа: tanyshik607

2

(3а²-3в²)-(а-в)=3(а-в)(а+в)-(а-в)=(а-в)(3а+3в-1)

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