Add: xx+2+4x+2\frac{x}{x+2} + \frac{4}{x+2}x+2x+x+24
x+4x+2\frac{x+4}{x+2}x+2x+4
x4\frac{x}{4}4x
4x(x+2)2\frac{4x}{(x+2)^2}(x+2)24x
111