Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 5 - Section 5.3 - Addition and Subtraction of Polynomials - Exercise - Page 221: 23



Work Step by Step

We simplify by removing the parentheses and then add the like terms as follows: $$(6x^2 - 7x +5) + (3x^2 +2x -5)=6x^2 - 7x +5+ 3x^2 +2x -5\\ =9x^2-5x .$$
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