Factor the Polynomial by Substitution $$8 z ^ { 6 } + 6 z ^ { 3 } - 9$$

Multiple Choice

Factor the polynomial by substitution.
- $$8 z ^ { 6 } + 6 z ^ { 3 } - 9$$

A) $\left( 2 z ^ { 3 } + 1 \right) \left( 4 z ^ { 3 } - 9 \right)$
B) $\left( 2 z ^ { 3 } + 3 \right) \left( 4 z ^ { 3 } - 3 \right)$
C) $\left( 4 z ^ { 3 } + 3 \right) \left( 2 z ^ { 3 } - 3 \right)$
D) $8 \left( z ^ { 3 } - 3 \right) \left( z ^ { 3 } + 3 \right)$