Answer:
-2(x + 1)(x + 6)
Step-by-step explanation:
Please use " ^ " to denote exponentiation: -2x^3-14x^2 - 12x
Note that all three terms are evenly divisible by -2x, leaving the quotient x^2 + 7x + 6.
This quotient is also easily factored:
-2x^3-14x^2 - 12x = -2(x^2 + 7x + 6) = -2(x + 1)(x + 6)