Algebra: A Combined Approach (4th Edition)

by Martin-Gay, Elayn

Published by Pearson

ISBN 10: 0321726391

ISBN 13: 978-0-32172-639-1

Chapter 10 - Section 10.3 - Simplifying Radical Expressions - Exercise Set - Page 704: 106

Answer

$4x^2+4x+1$

Work Step by Step

Expand the square and multiply the two terms together using polynomial multiplication rules and FOIL (First, Outside, Inner, Last). $(2x+1)^2=(2x+1)(2x+1)=4x^2+2x+2x+1=4x^2+4x+1$

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