Mencari limit x->3 9-x2/x-3

9-x² / x-3
(3 - x)(3+x) / x-3
-1(x-3)(3+x)/x-3
= -3 - x
= -3 - 3
= -6

9-x^2/x-3
(-x-3)(x-3) = x-3
Coret x-3
Jadi -x-3 = -3-3 (ganti x dengan 3)
= -6