SOLUTION: Solve for x (round to the nearest thousandth): 8+(2x)^3=1000

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Question 546692: Solve for x (round to the nearest thousandth): 8+(2x)^3=1000
Answer by lwsshak3(11628) About Me  (Show Source):
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Solve for x (round to the nearest thousandth): 8+(2x)^3=1000
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8+(2x)^3=1000
(2x)^3=1000-8
8x^3=992
x^3=992/8=124
use calculator to take cube root of both sides
x≈4.987