College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 8 - Sequences, Induction, and Probability - Exercise Set 8.5 - Page 757: 13

Answer

$125x^3-75x^2+15x-1$

Work Step by Step

Use the binomial theorem formula (detailed on page 754) to solve the problem. Be careful in writing each term correctly. $(5x-1)^3$ $1*(5x)^3+3*(5x)^2*(-1)+3*(5x)*(-1)^2+1*(-1)^3$ $125x^3-75x^2+15x-1$
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