Автор - chhechh12345

3x^3-x^2-8x=0 решите уравнение!!!! ​

Ответ

Автор - Naz0330

Объяснение:

3x ^{3}  - x^{2}  - 8x = 0 \ x(3 {x}^{2}  - x - 8) = 0 \ x = 0 \ 3 {x}^{2}  - x - 8 = 0 \ d = 1 - 4 times ( - 8) times 3 = 1 + 96 = 97 \ x =  frac{1 +  sqrt{97} } {6}  \ x =  frac{1 -  sqrt{97} }{6}

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