4 log x + 4 log (x-6)=2

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4 log x + 4 log (x-6)=2

X (x-6) = 2
x^2 – 6x -2 = 0
faktorkan

4logx + 4log(x-6) = 2
4logx(x-6) = 4log4²
4log(x²-6x)=4log16
x²-6x=16
x²-6x-16=0
x²+2x-8x-16=0
x(x+2)-8(x+2)=0
(x-8)(x+2)=0

x1=8
x2=-2

dijadikan jawaban terbaik ya 🙂