/-1 + x\ lim |------| x->1+| 2| \x + x /
Limit((-1 + x)/(x + x^2), x, 1)
= 0
0
= 7.27864599832406e-29
/-1 + x\ lim |------| x->1-| 2| \x + x /
= 6.05462511935933e-36
7.27864599832406e-29