Answer
1, 9
Work Step by Step
z^2+9=10z
z^2-10z+9=0
Using ac method ac=9 b= -10
Two numbers are -9 and -1 then
z^2-9z-z+9=0
z(z-9)-(z-9)=0
(z-1)(z-9)=0
z-1=0 z=1
z-9=0 z=9
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 5 - Section 5.8 - Solving Equations by Factoring and Problem Solving - Vocabulary, Readiness & Video Check - Page 322: 9
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