SOLUTION: solve LN(x+3)+LNx=LN4

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Question 198273: solve
LN(x+3)+LNx=LN4
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
LN(x+3)+LNx=LN4
LNx(x+3)=LN4
x(x+3)=4
x^2 + 3x = 4
x^2 + 3x - 4 = 0
(x-4)(x+1) = 0
x = {-1, 4}
We can toss out the negative solution (ln of a negative does not make sense), leaving us with:
x = 4