Factor Out the GCF from the Polynomial $3 x ^ { 4 } - 24 x ^ { 2 }$

Multiple Choice

Factor out the GCF from the polynomial.
- $3 x ^ { 4 } - 24 x ^ { 2 }$

A) $x ^ { 4 } \left( 3 x ^ { 2 } - 24 \right)$
B) $3 x ^ { 2 } \left( x ^ { 2 } - 8 \right)$
C) $3 \left( x ^ { 4 } - 8 x ^ { 2 } \right)$
D) $3 x ^ { 3 } ( x - 8 x )$