Помогите решить уравнение 25у*(2-у)+(5у-6)^2=6

Question

Помогите решить уравнение 25у*(2-у)+(5у-6)^2=6

Answer 1

25y×(2-y)+(5y-6)^2=6

50y-25y^2+25y^2-60y+36=6

-10y+36=6

-10y+36-6=0

-10y+30=0

y-3=0

y=3

Answer 2

25y×(2-y)+(5y-6)^2=6

50y-25y^2+25y^2-60y+36=6

-10y+36=6

-10y+36-6=0

-10y+30=0

y-3=0

y=3