Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 3 - Cumulative Review Exercises - Page 279: 15


The expression is evaluated to $39$.

Work Step by Step

To evaluate the ezpression for $x = -3$, we plug in $-3$ where we see $x$ in the expression: $$(-3)^{2} - 10(-3)$$ Evaluate exponents first, according to order of operations: $$9 - 10(-3)$$ We do the multiplication first: $$9 + 30$$ Finally, we add: $$39$$
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