Question

(y+4) (4-y) + (y+5)y > 6y-20 помогите решить неравенство

Answer 1

1) (y+4)(4-y)+(y+5)y>6y-20
4y-y^2+16-4y+y^2+5y>6y-20
5y-6y>-20-16
-y>-36
y<36

Answer 2

да

Answer 3

степень