Предмет: Алгебра, автор: GUMER

( х-4) (х+2)>0

Ответы

Автор ответа: sedinalana

(x-4)(x+2)>0
x=4 x=-2
+ _ +
-----------------(-2)--------------(4)-------------------
x∈(-∞;-2) U (4;∞)

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