Answer
$(\sqrt x+5)^3=x\sqrt x+15x+75\sqrt x+125$
Work Step by Step
$(\sqrt x+5)^3=_{3}C_0(\sqrt x)^3(5)^0+_{3}C_1(\sqrt x)^2(5)^1+_{3}C_2(\sqrt x)^1(5)^2+_{3}C_3(\sqrt x)^0(5)^3$
$(\sqrt x+5)^3=x\sqrt x+15x+75\sqrt x+125$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 11 - 11.5 - The Binomial Theorem - 11.5 Exercises - Page 813: 55
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