Factor the Given Factor from the Expression $m ^ { - 1 / 2 } ; 8 m ^ { 9 / 4 } - 3 m ^ { - 1 / 2 }$

Multiple Choice

Factor the given factor from the expression.
- $m ^ { - 1 / 2 } ; 8 m ^ { 9 / 4 } - 3 m ^ { - 1 / 2 }$

A) $m ^ { - 1 / 2 } \left( 24 m ^ { 11 / 4 } - 8 \right)$
B) $3 \mathrm {~m} ^ { - 1 / 4 } \left( 8 \mathrm {~m} ^ { 11 / 4 } - 1 \right)$
C) $\mathrm { m } ^ { - 1 / 2 } \left( 8 \mathrm {~m} ^ { 9 / 4 } + 3 \right)$
D) $\mathrm { m } ^ { - 1 / 2 } \left( 8 \mathrm {~m} ^ { 11 / 4 } - 3 \right)$