Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Appendix A - Review - A.3 Polynomials - A.3 Assess Your Understanding - Page A31: 31


$6x^5 +5x^4+3 x^2+x$

Work Step by Step

We simplify by removing the parentheses and then combine the like terms as follows $$ (6x^5 + x^3 + x) + (5x^4 - x^3 + 3x^2)=6x^5 + x^3 + x+ 5x^4 - x^3 + 3x^2\\ =6x^5 +5x^4+3 x^2+x .$$
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