Answers

2015-01-25T18:07:01+08:00
The equation is 3=16x expand it, x3 = 4(4)(x) so this is (x)(x)(x)=(4)(4)(x) you can now easily get the answer. the answer is x=4
x=4 check it.
(4)cube= 16(4)
68=68
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I cant understand the equation. Where is the radical sign?
2015-01-26T17:01:19+08:00

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x =  \sqrt[3]{16x} \\
x^{3} = 16x \\
x^{3} - 16x = 0 \\
x(x^{2} - 16) = 0 \\
x = 0 \\
x = 4 \\
x = -4 \\

it is either 4 or 0
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