Kak rewit'??!!!!!!!!!!!!!!!!!

Question

Kak rewit'??!!!!!!!!!!!!!!!!!

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Answer 1

 

 

{x^2-xy=-2

{y^2-xy=3

 

{x(x-y)=-2

{y(x-y)     = - 3

 

{ x-y=-2/x

{x-y=-3/y

 

-2/x=-3/y

 -2y=-3x

 y= 3x/2

 

x(x-3x/2)=-2

2x^2-3x^2=-4

 -x^2=-4

 x=-+2

y=3

y=-3

Ответ      

(-2  3 )   (2 -3)