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.4 Factoring Polynomials - A.4 Assess Your Understanding - Page A39: 7

Answer

$a(x^2+1)$

Work Step by Step

Looking for a common monomial factor, we have $$ ax2 + a=a(x^2+1) .$$
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