Write the Expression in Lowest Terms $$\frac { z ^ { 2 } + 7 z + 6 } { z ^ { 2 } - 2 z - 3 }$$

Multiple Choice

Write the expression in lowest terms.
- $$\frac { z ^ { 2 } + 7 z + 6 } { z ^ { 2 } - 2 z - 3 }$$

A) $\frac { z - 6 } { z + 3 }$
B) $\frac { z + 7 } { z - 2 }$
C) $\frac { z + 6 } { z - 3 }$
D) $\frac { z + 1 } { z - 1 }$