Solve for x
log(x + 3) + log(x - 3) = log 27
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Answer:
log a + log b= log a*b
→log(x + 3) + log(x - 3) = log 27→log (x²-9) =log 27
apply antilog on bs
x²-9=27
x²=36
x=±6
x=+6 , we dont consider -6 because negitive logs dont exist
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