Answer
$c= 14$--factoring
$c= 7$--quadratic
Work Step by Step
When $c=14$, then the equation can easily be factored. When $c=7$, the equation can use the quadratic equation more easily.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 9 - Quadratic Functions and Equations - 9-6 The Quadratic Formula and the Discriminant - Lesson Check - Page 571: 5
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