Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Review Exercises: 80

Answer

$8x^3+12x^2+6x+1$

Work Step by Step

$(2x+1)^3=(2x+1)(2x+1)(2x+1)=(4x^2+4x+1)(2x+1)=8x^3+4x^2+8x^2+4x+2x+1=8x^3+12x^2+6x+1$
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