SOLUTION: ln (x+8)+ln (x-8)=0
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Question 977860
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ln (x+8)+ln (x-8)=0
Answer by
Alan3354(69443)
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ln (x+8)+ln (x-8)=0
ln (x+8)+ln (x-8) = ln(1)
ln ((x+8)(x-8)) = ln(1)
(x+8)(x-8) = 1
x =~ 8.062258
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x =~ -8.062258 won't work, no logs of negative numbers