Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Appendix A - Exercise Set: 35

Answer

$9x^{2}+18x+5$

Work Step by Step

Step 1: $(3x+1)(3x+5)$ Step 2: We will use the FOIL approach to multiply the two polynomials together. Step 3: $3x(3x)+3x(5)+1(3x)+1(5)$ Step 4: $9x^{2}+15x+3x+5$ Step 5: $9x^{2}+18x+5$
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