Пусть у = ∛х
Тогда
у² + у - 6 = 0
(у+3)(у-2) = 0
у₁ = -3, у₂ = 2
∛х₁ = -3, ∛х₂ = 2
х₁ = -27, х₂ = 8
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Пусть у = ∛х
Тогда
у² + у - 6 = 0
(у+3)(у-2) = 0
у₁ = -3, у₂ = 2
∛х₁ = -3, ∛х₂ = 2
х₁ = -27, х₂ = 8