SOLUTION: solve for x, log(x-3)+log(x+3)=log16

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Question 893395: solve for x, log(x-3)+log(x+3)=log16
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
%28x-3%29%28x%2B3%29=16
x%5E2-9=16%7D%7D%0D%0A%7B%7B%7Bx%5E2=25
x=0+%2B-+5
However the negative value would lead to a negative argument for the logarithm which is undefined so only use the positive value.
x=5