For additional help, see problem 11-13.
-coordinates of the -intercepts are roots of the equation. If you know the roots, can you find the factors?
The factors are
See the hints in part (a).
Instead of using fractions, multiply each factor by the fraction's denominator.
The factors can be written as
Use the eTool below to help you with this problem.
Click the link at right for the full version of the eTool: CCA 11-69 HW eTool