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inysia [295]
3 years ago
10

Logx+log(x-1)=log(4x)

Mathematics
1 answer:
andrew11 [14]3 years ago
5 0

log( {x}^{2} - x )  =  log(4x)  \\  {x}^{2}  - x = 4x \\  {x}^{2}  - 5x = 0 \\ x(x - 5) = 0 \\ x = 0 \\ x - 5 = 0 \\ x = 5
Since logs can't equal zero, 5 is your only solution.
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