Answer
see below
Work Step by Step
(a) x-3 and 3-x are not the same
(b) The first step should be to multiply the second factor by -1/-1 so that it will be:
$(x-3/x+4)*(-x/-3+x)$
cancel $x-3$
$-x/x+4$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 11 - Rational Expressions and Functions - Mid-Chapter Quiz - Page 690: 22
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