3 log (3x-12x-2)= 3 log (2x +3)

[tex]^{3} log(3 {x}^{2} - 12x - 2) =^{3} log(2x + 3) \\ 3 {x}^{2} - 12x - 2 = 2x + 3 \\ 3 {x}^{2} - 14x - 5 = 0 \\ (3x + 1)(x - 5) = 0 \\ x = - \frac{1}{3} atau \: \: x = 5[/tex]