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Solving the log equation? log(4) (x-12)+ log(4) x = 3?
I need help on this equation, if you could show steps, greatly appreciated first to do so will get best answer thanks!
1 Answer
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- BryceLv 77 years ago
log(4)[x(x-12)]=3
x²-12x=4^3=64
x²-12x-64=0
x=16,-4
Use x=16 because -4 won't work.
check: 4^3=64
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