Chapter 11, Problem 4P

Define x as a symbolic variable.

(a) Derive the equation of the polynomial that has the roots x=-3, x=1,

x=0.5, x=2, and x=4.

(b) Determine the roots of the polynomial:

$f(x)=x^6-2x^5-39x^4+20x^3+404x^2+192x-576$

by using the factor command.