Monday
July 28, 2014

Homework Help: Pre-Calculus

Posted by Kelsey on Saturday, May 3, 2008 at 11:05pm.

I need help solving this logarithmic equation: ln x + ln (x+3) = 1.

I know ln x + ln (x+3)=ln [x(x+3)] and that is ln x^2 + 3x when broken down. Then you have to get rid of ln by taking the natural base e of both sides so in the end you have x^2+3x = e^(1). That's when I got stuck.

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