# Chapter 8 - Polynomials and Factoring - Chapter Review - 8-1 Adding and Subtracting Polynomials - Page 524: 15

$7z^{3}-2z^{2}-16$

#### Work Step by Step

Simplify and write in standard form $(8z^{3}-3z^{2}-7)-(z^{3}-z^{2}+9)$ Distribute the $-$ in the second parenthesis $8z^{3}-3z^{2}-7-z^{3}+z^{2}-9$ Combine like terms $7z^{3}-2z^{2}-16$

After 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.