Answer
5i, -5i, 4
Work Step by Step
$x^{3}$- 4x + 25 - 100= 0
$x^{2}$(x-4) +25(x-4)= 0
($x^{2}$+25)(x-4)= 0
$x^{2}$+25= 0 x= 5i, -5i
x-4= 0 x=4
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 5 - Test - Page 399: 3
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