Решите уровнение плз ...
.
Не трудно ведь
y(y-5)-3y(5-y)^2=0
-y(5-y)- 3y(5-y)^2=0
y(5-y)+3y(5-y)^2=0
(5-y)(y+3y(5-y))=0
5-y=0 y=5
y+3y(5-y)=0
-3y^2+16y=0
3y^2-16y=0
y(3y-16)=0
y=0
y=5(1/3)