Answer
$12x^{2}$ + 11
Work Step by Step
$18x^{2}$ + 4 - ($6x^{2}$ - 12 + 5)
= $18x^{2}$ + 4 - $6x^{2}$ - 12 + 5
= $12x^{2}$ + 11
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.1 - Page 18: 95
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