Предмет: Алгебра, автор: msklubnyasha

Разложите на множители а)3а²-9ав б)x³-25x

Ответы

Автор ответа: tamarabernukho

16

3a²-9ab=3a(a-3b)
x³-25x=x(x²-25)=x(x-5)(x+5)

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