Предмет: Алгебра, автор: rufatfunbox

Разложите на множители:

7c^2-14c+7

5x^2+10xy+5y^2

Ответы

Автор ответа: kmike21

5

7c²-14c+7=7(c²-2c+1)=7(c-1)²

5x²+10xy+5y²=5(x²+2xy+y²)=5(x+y)²

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