Lim x->-2 x^2-x+ 4/x-2

lim x->-2 (x^2 - x +4)/x-2

Penyebut dan pembilang dibagi x^2

= (x^2/x^2 - x/x^2 +4/x^2)/(x/x^2-2/x^2)
= (1 - 1/x + 4/x^2)/(1/x - 2/x^2)
= (1 + 1/2 + 1)/(-(1/2) - 1/2)
= (3/2)/(-(1/4))
= (3/2)*(-4)
= -6