Algebra: A Combined Approach (4th Edition)

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

Chapter 6 - Section 6.3 - Factoring Trinomials of the Form ax2+bx+c - Exercise Set: 66

Answer

$3x^{2}(5x-2y)(7y+x)$

Work Step by Step

$42x^{4}-99x^{3}y-15x^{2}y^{2}=3x^{2}(14x^{2}-33xy-5y^{2})$ $14x^{2}-33xy-5y^{2}=(5x-2y)(7y+x)$ $3x^{2}(5x-2y)(7y+x)$
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