Реши уравнение 121x+121−x^3−x^2=0 x1= x2= x3=. Created by 26Liza. algebra-ru

Реши уравнение 121x+121−x^3−x^2=0 x1= x2= x3=...

July 2022 1 3 Report

Реши уравнение 121x+121−x^3−x^2=0
x1=
x2=
x3=

Answers & Comments

Pacanka202 (121х–х^3)+(121–х^2)=0
х(121–х^2)+(121–х^2)=0
(121–х^2)(х+1)=0
121–х^2=0; х+1=0
(11–х)(11+х)=0; х=–1
11–х=0; 11+х=0
х=11; х=–11
Ответ: х1=11; х2=–11; х3=–1

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