Question 852505
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Hi,
ln(x^2-16)= 2ln(3)
ln(x^2-16)-ln(3^2)= 0
ln(x^2-16)/9) = 0
   (x^2-16)/9 = e^0 = 1
   x^2-16 = 9
     x^2 = 25
       x = ± 5
both Solutions check