SOLUTION: log2 (x+1) + log2 (x-5) = 4

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Question 306939: log2 (x+1) + log2 (x-5) = 4
Answer by solver91311(24713) About Me  (Show Source):
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The sum of the logs is the log of the product:






Definition of logarithims:





Solve like any other quadratic. (Hint: it factors). However, you may have extraneous roots. Check both roots in the original equation paying careful attention to the domain of the logarithm function.

John