Answer
$x = 0~~$ or $~~x = 7$
Work Step by Step
We can solve the incomplete quadratic equation:
$2x^2 = 14x$
$x^2 = 7x$
$x^2-7x = 0$
$(x)~(x-7) = 0$
$x = 0~~$ or $~~x = 7$
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Cengage
ISBN 10:
978-1-337-61408-5
ISBN 13:
978-1-33761-408-5
Appendix A - A.5 - The Quadratic Formula and Square Root Properties - Exercises - Page 562: 28
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