Answer
$3a^{2}-16ab+4b^{2}$
Work Step by Step
$3a^{2}-9ab+4b^{2}-7ab$
Simplify the expression by combining like terms:
$3a^{2}-9ab+4b^{2}-7ab=3a^{2}-(9+7)ab+4b^{2}=...$
$...=3a^{2}-16ab+4b^{2}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 5 - Section 5.3 - Introduction to Polynomials - Exercise Set - Page 366: 54
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