SOLUTION: What is the exact answer and decimal rounded to two places? ln(x) + ln(x+2) = 4

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Question 359447: What is the exact answer and decimal rounded to two places? ln(x) + ln(x+2) = 4
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
What is the exact answer and decimal rounded to two places?
ln(x) + ln(x+2) = 4
Adding logs --> multiplication
ln(x*(x+2)) = 4
x*(x+2) = e^4

x = -1 ± sqrt(1 + e^4)
------------
x =~ - 8.46, 6.46

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