РЕШИТЕ УРАВНЕНИЕ ВВЕДЯ ПОДХОДЯЩУЮ ЗАМЕНУ(x^2+x+1)^2 +2(x^2+x+1)-3=0. Created by katiacravchuk. algebra-ru

РЕШИТЕ УРАВНЕНИЕ ВВЕДЯ ПОДХОДЯЩУЮ ЗАМЕНУ(x^2+x+1)^2 +2(x^2+x+1)-3=0...

katiacravchuk @katiacravchuk

June 2022 1 9 Report

РЕШИТЕ УРАВНЕНИЕ ВВЕДЯ ПОДХОДЯЩУЮ ЗАМЕНУ
(x^2+x+1)^2 +2(x^2+x+1)-3=0

Answers & Comments

Матов

Verified answer

$(x^2+x+1)=t\\
t^2+2t-3=0\\
D=4+4*1*3=4^2\\
t=\frac{-2+4}{2}=1\\
t=\frac{-2-4}{2}=-3\\
\\
x^2+x+1=1\\
x(x+1)=0\\
x=0\\
x=-1\\
\\
x^2+x+1=-3\\
x^2+x+4=0\\
 D$
Ответ 0 и -1

0 votes Thanks 3

dan parallelepiped abcda1b1c1d1 dokazhite chto ab perpendikulyarna ss1 i dd1 perpe

Answer

katiacravchuk October 2021 | 0 Ответы

otmette ssp1izontikunegobylvchehle i chasyvchehleiz seroj zamshi i nozh

Answer

Answers & Comments

Verified answer

s na kakoj vysote ego kineticheskaya energiya v 2 raza menshe nachalnoj 3 bruso

v paralelograme abcd vysota cm razbivaet storonu am i dm najti ploshad paralel

najdite vse trehznachnye chisla kotorye okanchivayutsya cifroj 3

pomogite reshit begin11v 3 dany dva nenulevyh chisla najti summu raznost

sravnenie stihotvoreniya pushkina prorok i lermontova prorok citatami

pomogite srochno cos2acos260acos260 a

reshite uravnenie vvedya podhodyashuyu zamenux2 xx2 x 5 6

reshite uravnenie vvedya podhodyashuyu zamenu2 x24 102 x22 9

dan parallelepiped abcda1b1c1d1 dokazhite chto ab perpendikulyarna ss1 i dd1 perpe

otmette ssp1izontikunegobylvchehle i chasyvchehleiz seroj zamshi i nozh

рекомендуемые вопросы

Helpful Links

Helpful Social