Решить систему уравнений х^2 + у^2 = 10 х

VOLKOVA2013 @VOLKOVA2013

July 2022 1 1 Report

Решить систему уравнений

х^2 + у^2 = 10
х - у = 2.

Answers & Comments

LOLxD98 $\left \{ {{x^2+y^2= 10} \atop {x-y = 2}} \right. 
 \left \{ {{x^2+y^2= 10} \atop {x=2-y}} \right. 
 \left \{ {{(2-y)^2+y^2=10} \atop {x=2-y}} \right. 
 \\ (2-y)^2+y^2=10
 \\ y= (-1;3)
 \\ x=2-(-1) \\ x= 3
 \\ x=2-3 \\ x= -1
 \\ x=3 \\ y=-1$

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