Автор - edike624

Решите систему неравенств:

-х^2+х+6<=0

5-3(х+1)>х

Ответ

Автор - terekosmayev

Ответ:

(-беск.; -2] [3; +беск)

 {x}^{2}  - x - 6 geqslant 0 \ x1 + x2 = 1 \ x1 times x2 =  - 6 \ x1 = 3 \ x2 =  - 2

--------------- - 2 --------------- 3 --------->х

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+. -. +

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