Answer
$x = 4, 2$
Work Step by Step
$x^{2} -6x + 8 = 0$
Find two numbers that multiply to $8$ and can be added together to $-6$
$=-4$ and $-2$
$x^{2} - 4x - 2x + 8 = 0$
$x(x - 4) - 2(x - 4) = 0$
$(x-4)(x-2) = 0$
$x = 4, 2$
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Appendix A - A.4 - Quadratic Equations - Exercises - Page 560: 11
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