Divide Assume All Variables Are Nonzero $\frac { 6 x ^ { 8 } } { - 3 x ^ { 4 } }$

Multiple Choice

Divide. Assume all variables are nonzero.
- $\frac { 6 x ^ { 8 } } { - 3 x ^ { 4 } }$

A) $2 x ^ { 4 }$
B) $- 2 x ^ { 4 }$
C) $2 x ^{12}$
D) $- 2 x^{12}$