Answer
$x^2-13x+36$
Work Step by Step
By using the FOIL method, we have
$$
(x-4)(x-9)=x^2+(-4x-9x)+36=x^2-13x+36
$$
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: 6
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