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: 49


$2x^2+9x +10$

Work Step by Step

By using the FOIL (First, Outer, Inner, Last) method of multiplying two binomials, we have $$ (2x + 5)(x + 2)= 2x^2+4x+5x +10\\ = 2x^2+9x +10 .$$
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