Okay here is my problem,

Lim X->2 (x^3 - 3x^2 -10x + 24)/(x^3 -4x^2 + x +6)

so I went about factoring it using rational roots theorem and I got

[(x-1)(x-6)(x+4)]/[(x-2)(x-3)(x+1)]

So here I am and none of these factors cancel, someone please help me.