SOLUTION: log x +log (x+3) =log 54 What are the steps in solving this?

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Question 327451: log x +log (x+3) =log 54

What are the steps in solving this?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
adding logs is analogous to multiplying quantities

log[x(x+3)] = log(54)

x^2 + 3x = 54 ___ x^2 + 3x - 54 = 0

factor the quadratic to find x


REMEMBER : logs of negative values are undefined