/ 2 4\ lim |(2 + x) - -| x->0+\ x/
Limit((2 + x)^2 - 4/x, x, 0)
-oo
= -599.973466076049
/ 2 4\ lim |(2 + x) - -| x->0-\ x/
oo
= 607.9735537915
-599.973466076049