(x² - 36)(x + 5)(x - 6) ≥ 0
(x - 6)(x + 6)(x + 5)(x - 6) ≥ 0
(x - 6)² (x + 6)(x + 5) ≥ 0
+ - + +
_______[- 6]_______[- 5]_______[6]_______
////////////////// ///////////////////////////////////
Ответ : x ∈ (- ∞ ; - 6] ∪ [- 5 ; + ∞)
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(x² - 36)(x + 5)(x - 6) ≥ 0
(x - 6)(x + 6)(x + 5)(x - 6) ≥ 0
(x - 6)² (x + 6)(x + 5) ≥ 0
+ - + +
_______[- 6]_______[- 5]_______[6]_______
////////////////// ///////////////////////////////////
Ответ : x ∈ (- ∞ ; - 6] ∪ [- 5 ; + ∞)