Algebra: A Combined Approach (4th Edition)

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

Appendix A - Exercise Set: 32

Answer

$-6x^{3}+6x^{2}-7x$

Work Step by Step

$-4x^{3}+4x^{2}-4x-(2x^{3}-2x^{2}+3x)=-4x^{3}+4x^{2}-4x-2x^{3}+2x^{2}-3x=-4x^{3}-2x^{3}+4x^{2}+2x^{2}-4x+2x^{2}-3x-4x=-6x^{3}+6x^{2}-7x$ First remove parentheses, then group like terms and then add /subtract.
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