Answer
$(2x+1)^2$
Work Step by Step
$4x^2 + 4x + 1$ is a square, and the square root of it is $(2x + 1)$, so the answer would be $(2x+1)^2$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 9 - Quadratic Functions and Equations - Get Ready! - Page 543: 19
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