Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 6 - Algebra: Equations and Inequalities - 6.5 Quadratic Equations - Concept and Vocabulary Check: 12

Answer

subtracting 18

Work Step by Step

The equation 5$x^{2}$ + x = 18 can be written in the form a$x^{2}$ + bx + c = 0 by subtracting 18 on both sides. 5$x^{2}$ + x = 18 5$x^{2}$ + x -18= 18 - 18 5$x^{2}$ + x - 18 = 0
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