Разложите на множители: -6a^2+12ac-6c^2 5a-5y+ca-cy
-6a^2+12ac-6c^2=-6(a^2-2ac+c^2)=-6(a-c)^2
5a-5y+ca-cy=5(a-y)+c(a-y)=(a-y)(5+c)
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-6a^2+12ac-6c^2=-6(a^2-2ac+c^2)=-6(a-c)^2
5a-5y+ca-cy=5(a-y)+c(a-y)=(a-y)(5+c)