Subtract Simplify, If Possible $\frac{7}{z^{2}-3 z}-\frac{3}{z-3}$ A) $\frac{7 z+3}{z^{2}-3 z}$ B) $\frac{3 z-7}{z-3}$

Multiple Choice

Subtract. Simplify, if possible.
- $\frac{7}{z^{2}-3 z}-\frac{3}{z-3}$

A) $\frac{7 z+3}{z^{2}-3 z}$
B) $\frac{3 z-7}{z-3}$
C) $\frac{7+3 z}{z^{2}-3 z}$
D) $\frac{7-3 z}{z^{2}-3 z}$