(х+2) (х*2-1)>0 помогите решить пожалуйста. Created by albinasupper204. algebra-ru

(х+2) (х*2-1)>0 помогите решить пожалуйста...

albinasupper204 @albinasupper204

August 2021 1 14 Report

(х+2) (х*2-1)>0 помогите решить пожалуйста

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KarinaYouchi

Verified answer

(x+2)(x^2-1)>0
(x+2)(x-1)(x+1)>0
(x+2)(x-1)(x+1)=0
x+2=0 x-1=0 x+1=0
x1=-2 x2=1 x3=-1
- + - +
///////////////////// ///////////////////
-----------(-2)-------------------(-1)-----------------------(1)-----------------
Ответ:(-2;-1)U(1;+∞)

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albinasupper204 Спасибо

умник589 Пожалуйста! :)

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