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: 7



Work Step by Step

$x^{2}-6x+3$ for $x=7$, first substitute 7 for each 'x' $$7^{2}-6\times7 +3$$ then, following order of operations, complete exponents first $$49-6\times7+3$$ next complete all multiplication and division in order left to right $$49-42+3$$, next addition and subtraction left to right $$7+3$$ $$=10$$
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