Answer
$8x^3-60x^2+150x-125$
Work Step by Step
$(2x-5)^3$
$=(2x-5)(2x-5)(2x-5)$
$=[2x(2x-5)-5(2x-5)](2x-5)$
$=(4x^2-10x-10x+25)(2x-5)$
$=(4x^2-20x+25)(2x-5)$
$=4x^2(2x-5)-20x(2x-5)+25(2x-5)$
$=8x^3-20x^2-40x^2+100x+50x-125$
$=8x^3-60x^2+150x-125$
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 - Review - Page 406: 100
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