SOLUTION: How do you solve for x? (exact values)
ln(x)+ln(x-4)=4
Algebra.Com
Question 787136: How do you solve for x? (exact values)
ln(x)+ln(x-4)=4
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Use: "The sum of the logs is the log of the product"
\ =\ 4)
Use the definition of the logarithm function:  \ \ \Leftrightarrow\ \ b^y = x)
to write:
Put the quadratic in standard form:
Use the quadratic formula and simplify (Hints: 
is simply a constant, and the only meaningful way to represent that particular constant exactly. Also, 4 factors out of the radicand)
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
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