Пошаговая инструкция:
3a^2-6ab+3b^2=3(a²-2ab+b²)=3(a-b)²
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Ответ:
а) c(c-16)
b) 3(a-b)²
Пошаговая инструкция:
3a^2-6ab+3b^2=3(a²-2ab+b²)=3(a-b)²