SOLUTION: xlog4-log15+xlog2=log-56

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Question 1005694: xlog4-log15+xlog2=log-56
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
xlog4-log15+xlog2=log-56
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log(-56) is not allowed.
Use parentheses for logs.