Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 5 - Section 5.5 - Multiplying Polynomials - Practice: 8

Answer

$9x^{2}-12xy+4y^{2}$

Work Step by Step

$(3x-2y)^{2}=$ $(3x-2y)(3x-2y)=$ $(3x)(3x)+(3x)(-2y)+(-2y)(3x)+(-2y)(-2y)=$ $9x^{2}-6xy-6xy+4y^{2}=$ $9x^{2}-12xy+4y^{2}$
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