х=34-y²
(34-y²) y=-15
34y-y³=-15
y(34-y²)=-15
y=-15. -y²+34=-15
y-34=15
y=49
x×(-15)=-15
x=1
x×49=-15
x=-(15/49)
х=34-y²
(34-y²) y=-15
34y-y³=-15
y(34-y²)=-15
y=-15. -y²+34=-15
y-34=15
y=49
x×(-15)=-15
x=1
x×49=-15
x=-(15/49)