Tolong dibantu ya sekarang kakak SOAL LOGARITMA

3log (x^2 -4x -3) = 2
3log (x^2 -4x – 3) = 3log 3^2
x^2 -4x – 3 = 9
x^2 -4x -12 = 0
x1 + x2 = -b/a = – -4/1 = 4
2log x = 3. maka x = 2^3 => x = 8
5log x = 5log 4, maka x = 4