Question 359447
What is the exact answer and decimal rounded to two places? 
ln(x) + ln(x+2) = 4
Adding logs --> multiplication
ln(x*(x+2)) = 4
x*(x+2) = e^4
{{{x^2 + 2x - e^4 = 0}}}
x = -1 ± sqrt(1 + e^4)
------------
x =~ - 8.46, 6.46