Factor completely.
-$12 x ^ { - 6 } + 7 x ^ { - 5 } + x ^ { - 4 }$
A) $\frac { ( x + 4 ) ( x + 3 ) } { x ^ { 6 } }$
B) $\frac { ( x + 4 ) ( x + 3 ) } { x ^ { 4 } }$
C) $\frac { ( x - 4 ) ( x - 3 ) } { x ^ { 6 } }$
D) $\frac { ( x - 4 ) ( x - 3 ) } { x ^ { 4 } }$

Question

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The Answer of Factor completely.
-$12 x ^ { - 6 } + 7 x ^ { - 5 } + x ^ { - 4 }$
A) $\frac { ( x + 4 ) ( x + 3 ) } { x ^ { 6 } }$
B) $\frac { ( x + 4 ) ( x + 3 ) } { x ^ { 4 } }$
C) $\frac { ( x - 4 ) ( x - 3 ) } { x ^ { 6 } }$
D) $\frac { ( x - 4 ) ( x - 3 ) } { x ^ { 4 } }$

Factor Completely 12x−6+7x−5+x−412 x ^ { - 6 } + 7 x ^ { - 5 } + x ^ { - 4 }12x−6+7x−5+x−4

Factor Completely $12 x ^ { - 6 } + 7 x ^ { - 5 } + x ^ { - 4 }$