SOLUTION: how do i find x when logx(1/125)=-3 please show working out thanks:)

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Question 728400: how do i find x when logx(1/125)=-3
please show working out
thanks:)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
how do i find x when logx(1/125)=-3
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Change to exponent form
x%5E%28-3%29+=+1%2F125
x%5E3+=+125
x+=+root%283%2C125%29+=+5