Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 6 - Review: 88



Work Step by Step

5$x^{2}$+20x+20=5($x^{2}$+4x+4)=5[$x^{2}$+2*x*2+$2^{2}$)= 5$(x+2)^{2}$
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