6x+18/3x^2divide by x^2+5x+6/x^3-4x=

I got 2(x-2)/x as my final answer.
Please explain the steps. Thanks.

the answer is correct, but you must include the restrictions which

are : x ≠ 0, -2, -3

Why do you need the steps explained ?
If you don't know, how did you get the answer ????