Algebra: A Combined Approach (4th Edition)

by Martin-Gay, Elayn

Published by Pearson

ISBN 10: 0321726391

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

Chapter 6 - Section 6.5 - Factoring by Special Products - Practice - Page 442: 3

Answer

$(5x-2)^2$

Work Step by Step

$25x^2-20x+4$ $25x^2 = 5x*5x$ $4=2*2$ $4=-2 * -2$ Since we have a $-20$, the $2$ will be negative. $25x^2-20x+4=5x*5x-2*5x*2+(-2)(-2)$ $25x^2-20x+4=(5x-2)^2$

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