College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 1 - Section 1.2 - Quadratic Equations - 1.2 Assess Your Understanding: 28

Answer

The solution set is {$3,4$}.

Work Step by Step

$x^2+12=7x$ $x^2-7x+12=0$ Write the equation in standard form. $(x-3)(x-4)$=0 Factor. $x-3 =0 $ or $x-4$=0 Set each factor equal to 0. $x=3$ or $x=4$ The solution set is {$3,4$}.
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