Find All Rational Zeros and Factor F(x) $$f ( x ) = x ^ { 3 } + 6 x ^ { 2 } - 40 x - 192$$

Find all rational zeros and factor f(x) .
- $$f ( x ) = x ^ { 3 } + 6 x ^ { 2 } - 40 x - 192$$

A) $- 4 , - 8,6 ; f ( x ) = ( x + 4 ) ( x + 8 ) ( x - 6 )$
B) $5,8 , - 12 ; f ( x ) = ( x - 5 ) ( x - 8 ) ( x + 12 )$
C) $4,8 , - 6 ; f ( x ) = ( x - 4 ) ( x - 8 ) ( x + 6 )$
D) $- 5 , - 8,12 ; f ( x ) = ( x + 5 ) ( x + 8 ) ( x - 12 )$

Correct Answer:

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