Question

1/4x(5-x)=-1/3x(2x-15)
Пожалуйста

Answer 1

1/4x(5-x)=-1/3x(2x-15)
1/4x*4x=-1/3x(2x-15)
xx=-1/3x(2x-15)
x^2=-1/3x(2x-15)
x^2=-x(2x-15)/3
3x^2=-x(2x-15)
3x^2=-2x^2+15x
3x^2+2x^2-15x=0
5x^2-15x=0
5x(x-3)=0
x=0.3