1. lns + ln(x+2) =4
i get this down to x^2 +2x -e^4= zero. But I can't figure it out from there. Do I just use quadratic formula?
2. 3^(2x) + 3^(x+1) - 0
i get this down to x=((4-ln3)/(ln3)) * 1/3
but I can't figure out how to get the solution.
Thanks for any help in advance.