Автор - andreivcherashny

5х(3х - 2) + 2(х - 3) - 3х(4х + 4) = 3x^{2} + 14

Ответ

Автор - kruglenkonata804

Объяснение:

5х(3х - 2) + 2(х - 3) - 3х(4х + 4) = 3х^2 + 14

15х^2-10х+2х-6-12х^2-12х= 3х^2 + 14

-20х=20

х=-1

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