1.)x^2/x+4 - 2=0
x^2-2x-8/x+4=0
x^2-2x-8=0
x^2+2x-4x-8=0
x(x+2)(x-4)=0
x+2=0
x-4=0
x=-2
x=4
2.)x^2/2x+3 - x/2=0
2x^2-x(2x+3)/2(2x+3)=0
-3x^2/2(2x+3)=0
3x=0
x=0
1.)x^2/x+4 - 2=0
x^2-2x-8/x+4=0
x^2-2x-8=0
x^2+2x-4x-8=0
x(x+2)(x-4)=0
x+2=0
x-4=0
x=-2
x=4
2.)x^2/2x+3 - x/2=0
2x^2-x(2x+3)/2(2x+3)=0
-3x^2/2(2x+3)=0
3x=0
x=0