Chapter 5.3, Problem 27P

In each of Problems 25 through 28, use a computer algebra system to find the inverse Laplace transform of the given function:

$\frac{s^3-2s^2-6s-6}{s^8-2s^7-2s^6+16s^5-20s^4-8s^3+56s^2-64s+32}$