Автор - nelliqazibyeva

решить уравнение (х+2)(х^2-2х+4)-х(х-3)(х+3)=26 спасибо​

Ответ

Автор - Meoww1

x^3 + 8 - x(x^2 - 9) = 26

x^3 + 8 - x^3 + 9x = 26

9x + 8 = 26

9x = 18

x = 2

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