Factor 3ab(x+1)-2(x+1)

$3 a b (x + 1) - 2 (x + 1)$

Factor $x + 1$ out of $3 a b (x + 1)$ .

$(x + 1) (3 a b) - 2 (x + 1)$

Factor $x + 1$ out of $- 2 (x + 1)$ .

$(x + 1) (3 a b) + (x + 1) \cdot - 2$

Factor $x + 1$ out of $(x + 1) (3 a b) + (x + 1) \cdot - 2$ .

$(x + 1) (3 a b - 2)$