Question

 Решите уровнение плз ...

 

 .

Не трудно ведь

 

 

 y(y-5)-3y(5-y)^2=0 

 

 

Answer 1

 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)