Algebra: A Combined Approach (4th Edition)

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

Chapter 6 - Section 6.2 - Factoring Trinomials of the Form x2+bx+c - Exercise Set: 28

Answer

$(x+7y)(x-11y)$

Work Step by Step

Step 1: $x^{2}-4xy-77y^{2}$ Step 2: $x^{2}+7xy-11xy-77y^{2}$ Step 3: $x(x+7y)-11y(x+7y)$ Step 4: $(x+7y)(x-11y)$
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