Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 5 - Mid-Chapter Check Point - Page 364: 8



Work Step by Step

I use the FOIL method: $(2x+5)(4x-1)=2x\cdot4x+2x\cdot(-1)+5\cdot4x+5\cdot(-1)=8x^2-2x+20x-5=8x^2+18x-5$
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