x² - 2x - 8 > 0
(x - 4)(x + 2) > 0
+ - +
______₀_______₀______
- 2 4
//////////// //////////////
Ответ : x ∈ (- ∞ ; - ) ∪ (4 ; + ∞)
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x² - 2x - 8 > 0
(x - 4)(x + 2) > 0
+ - +
______₀_______₀______
- 2 4
//////////// //////////////
Ответ : x ∈ (- ∞ ; - ) ∪ (4 ; + ∞)