Answer:
The value of the limit is 
Step-by-step explanation:
When we are working with limits in which the variable goes to infinity, we only take the highest order factor of the numerator and of the denominator.
So we have

We can simplify the cubes.

The limit of a constant is the proper constant.
So the value of the limit is 
It’s 42 heheeeee I’m Michel Jackson
Answer:
If you are just looking for a simplified answer then the answer is -7x - 3.