Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Appendix A - Review - A.3 Polynomials - A.3 Assess Your Understanding - Page A30: 47

Answer

$2x^2+9x+10$

Work Step by Step

Use FOIL method. $(2x+5)(x+2)=2x\cdot x+2x\cdot 2+5\cdot x+5\cdot 2$ Simplify. $=2x^2+4 x+5x+10$ Combine like terms. $=2x^2+9x+10$ Hence, the single polynomial answer in standard form is $2x^2+9x+10$.
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