решить систему уравнения {(х+1)*(2у-1)=0 (2у^2+х-у=5. Created by Alinohka5000. algebra-ru

решить систему уравнения {(х+1)*(2у-1)=0 (2у^2+х-у=5...

Alinohka5000 @Alinohka5000

July 2022 1 8 Report

решить систему уравнения
{(х+1)*(2у-1)=0
(2у^2+х-у=5

Answers & Comments

mmb1

Verified answer

(х+1)*(2у-1)=0
(2у^2+х-у=5
x=-1
2y^2-y-6=0
y12=(1+-корень(1+48))/4=(1+-7)/4=2 -3/2
----------------------
2y-1=0
y=1/2
2*1/4+x-1/2=5
x=5
(5 1/2) (-1 2) (-1 -3/2)

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