lim x mendekati -3 x²+3x/x+3

x²+3x/x+3=-3²+3.-3/-3+3=0
Diubah menjadi turunan
2x+3/1=2.-3+3/1=-3/1

lim [x-->-3] (x² + 3x)/(x + 3)
= lim [x-->-3] x(x + 3)/(x + 3)
= lim [x-->-3] x
= -3