Answer
$(x-8)(x-9)$
Work Step by Step
Using the factors of $72$, we have $-9$ and $-8$ because $-9-8=-17$ and $(-8)(-9)=72$
$$
x^2-17x+72=(x-8)(x-9)
.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 10 - Review - Page 358: 18
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