Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 1 - Test: 30

Answer

30

Work Step by Step

If x = 2, then plug 2 into 5(x^{3} - 2). Use the distributive property. 5 x -2 = -10, so you have 5(x^3)-10 Then plug 2 in for x. 5(2)^3 - 10 Simplify. 2^3 =8, so the first term becomes 40. 40-10 Solve. 30
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