/ 4 \ lim |----------| x->0+| 2| \2*x + 3*x /
Limit(4/(2*x + 3*x^2), x, 0)
oo
= 299.029508196721
/ 4 \ lim |----------| x->0-| 2| \2*x + 3*x /
-oo
= -305.030100334448
299.029508196721