Answer
$(3x-11)(3x+11)$
Work Step by Step
Since $9x^2-121$ is a difference between two perfect squares, we have
$$
9x^2-121=(3x-11)(3x+11)
.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 10 - Test - Page 358: 19
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