## Algebra 1: Common Core (15th Edition)

Published by Prentice Hall

# Chapter 8 - Polynomials and Factoring - 8-2 Multiplying and Factoring - Practice and Problem-Solving Exercises - Page 496: 49

#### Answer

8$x^{2}$+4x+5

#### Work Step by Step

Given: (5$x^{2}$+4x-2)+(3$x^{2}$+7) Simplify parenthesis: 5$x^{2}$+4x-2+3$x^{2}$+7 Combine like terms: (5$x^{2}$+3$x^{2}$)+4x+(-2+7) Simplify: 8$x^{2}$+4x+5

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.