Answer
(x-1) (2x + 1) (6x - 5)
Work Step by Step
12$x^{2}$(x-1) - 4x(x-1) - 5(x-1)
Take (x-1) common from given expression
(x-1) (12$x^{2}$ - 4x - 5)
do factor of (12$x^{2}$ - 4x - 5)
(x-1) (12$x^{2}$ - 10x + 6x - 5)
(x-1) (2x(6x - 5) +1(6x - 5))
(x-1) (2x + 1) (6x - 5)
