Upgrade subject to access all content

Which of the following expressions below is equivalent to the expression:

$$ \frac { x }{ x+2 } +\frac { x+2 }{ x } $$

...where $x \neq 0$ and $x \neq -2$?

$ x(x+2) $

$ 2\cfrac { 1 }{ 2 } $

$ \cfrac { 2(x+1) }{ x(x+2) } $

$ \cfrac { { 2(x }^{ 2 }{ +2x+2) } }{ x(x+2) } $