Question 1025478
8 log (x) + 4 log (-12) = 0
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log(-12) is not allowed, no negative argument.

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4 log( 2x + 1 ) = 12
Divide by 4
log(2x+1) = 3
log(2x+1) = log(10^3) = log(1000)
2x+1 = 1000
2x = 999
x = 999/2