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Автор - egor38370

-x^2-3x+18<0 срочно помогите с неравенством ааа у нас контрольная годовая​

Ответ

Проверено экспертом

Автор - m11m

Ответ:

Объяснение:

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Ответ

Автор - taisasnitko

Ответ:

Объяснение:x²+3x-18>0  (D=9+72=81=9²,X1=3,x2=-6)

(x-3)(x+6)>0

----- -6------ 3-------⇒

 +         -          +       ответ(-∞:-6)∪(3;+∞)

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