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
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
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 - Page 399: 12
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