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: 12



Work Step by Step

$$x^{2}-4(x-y)$$ for $x=8$ and $y=3$ substitute 8 for each x and 3 for each y $$8^{2}-4(8-3)$$ complete grouped operations first $8^{2}-4(5)$ next are exponents $$64-4(5)$$ Then multiplication or division in order left to right $$64-20$$ finally addition or subtraction in order left to right $$44$$
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