College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.1 - Page 17: 6



Work Step by Step

$x^{2}+5x$ for $x=6$, substitute 6 for each x in the expression $6^{2}+(5\times6)$, then using order of operations, simplify exponents first $36+(5\times6)$, then multiplication and division in the order they come $36+30$, then add or subtract in the order they come $66$
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