Question

$lim_{x \to \ -2} x^2 + 4x +4 / x^2+5x + 6$

Answer 1

lim (x² +4x +4)/x² +5x +6
x-> -2

lim (x+2)²/ (x+3)×(x+2)
x-> -2

lim (x+2)/(x+3)
x-> -2

lim (-2 +2)/(-2+3)
x->-2

lim. 0/-1 = 0
x->-2

Bons estudos!!