SOLUTION: How do I solve the following to THREE decimal places? ln x + ln(x+7) = -5

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Question 366461: How do I solve the following to THREE decimal places?
ln x + ln(x+7) = -5

Answer by robertb(5830)   (Show Source): You can put this solution on YOUR website!

,
Hence, or . Using the quadratic formula:
. The values are, to 3 decimal places, 0.001 (from 0.000962432), or -7.0001 (from -7.000962432). We have to eliminate the 2nd value, because it won't satisfy the original equation. The answer is 0.001.

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