Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 2 Linear Equations and Functions - Prerequisite Skills - Page 70: 5

Answer

21

Work Step by Step

Plugging in 4 gives us, $4^2+4+1$ or 21
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