Please help solve equation:

ln x + ln (x + 2) = 4

ln x (x + 2) = 4

e ^ 4 = x (x + 2)

What do I do next to solve for x?

Thank you.

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- Nov 15th 2007, 06:15 AMoceanmdPlease solve logarithmic equation
Please help solve equation:

ln x + ln (x + 2) = 4

ln x (x + 2) = 4

e ^ 4 = x (x + 2)

What do I do next to solve for x?

Thank you. - Nov 15th 2007, 06:20 AMred_dog
First of all we have to put the conditions for the existence of the logarithms:

.

Now solve the quadratic and choose the right solution which is - Nov 15th 2007, 06:59 AMoceanmd
Thank you