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2y²-2xy²-y³=0
2xy²=2y²-y³ /:2y² , y≠0
x=1-y/2
4xy-2x²y-3xy²=0
4y(1-y/2)-2y(1-y/2)²-3y²(1-y/2)=0
(1-y/2)*[4y-2y(1-y/2)-3y²]=0
y=2, x=0 lub 4y-2y+y²-3y²=0
-2y²+2y=0
-2y(y-1)=0
y=0, x=1 v y=1, x=1-1/2=1/2
Odp. y=0, x∈ R v x=0, y=2 v x=1/2, y=1.