October 2018 1 10 Report

Potrzebuję na teraz.. To ważne.. Z góry dziękuje :)
\left \{ {{4(x+y)^{2}-4y(2x+y)=(2x)^{2}=x=y } \atop {(x-1)(x+1)=(x+2)(y-2)}}
\right.


Błagam o pomoc!! :)


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