College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter P - Summary, Review, and Test - Review Exercises - Page 91: 80

Answer

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

Work Step by Step

FOIL the terms in the parentheses by using the special product formula. $(A+B)^3=A^3+3A^2B+3AB^2+B^3$ Then combine like terms to simplify. $(2x+1)^3$ $(2x+1)(2x+1)(2x+1)$ $(2x)^3+3*(2x)^2*1+3*2x*1^2+1^3$ $8x^3+12x^2+6x+1$
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