Find the Quotient and Simplify $\frac { ( s - x ) ^ { 2 } } { s + x } \div \frac { s ^ { 2 } - s x } { s }$

Multiple Choice

Find the quotient and simplify.
- $\frac { ( s - x ) ^ { 2 } } { s + x } \div \frac { s ^ { 2 } - s x } { s }$

A) $\frac { ( s - x ) ^ { 3 } } { s + x }$
B) $\frac { x } { s + x }$
C) $\frac { s - x } { s + x }$
D) $\frac { s + x } { s - x }$