Find the Missing Monomial, Factor or Term $-9 x^{3}(?)=45 x^{7}-72 x^{5}-72 x^{3}$

Multiple Choice

Find the missing monomial, factor or term.
- $-9 x^{3}(?) =45 x^{7}-72 x^{5}-72 x^{3}$

A) $-5 x^{4}+8 x^{2}+8 x$
B) $-5 x^{4}+8 x^{2}-8$
C) $-5 x^{4}+8 x^{2}+8$
D) $-5 x^{4}-8 x^{2}+8$