Answer
False.
It must be written as: $\frac{z^3-8}{z^2-9}$
Work Step by Step
8 less than z cubed: $z^3-8$
The difference of z squared and 9: $z^2-9$
$(z-9)^2$ is the square of the difference of z and 9.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.