Объяснение:
18y-2y³=0
2y(9- y^2)=0
2y=0. y=0
9-y^2=0
(3-y) × (3+y) = 0
y=3
y=-3
18у-2у^3=0
2y(9-y^2)=0
2y=0 9-y^2=0
y= 0 y^2=9
y=3 и y=-3
ответ: 0;3;-3
