Find All Real Values Of $x$ Such That $f ( x ) = 0$

Multiple Choice

Find all real values of $x$ such that $f ( x ) = 0$ .
$f ( x ) = \frac { - 3 x - 2 } { 5 }$

A) $- \frac { 2 } { 15 }$
B) $\pm \frac { 2 } { 15 }$
C) $\pm \frac { 2 } { 3 }$
D) $- \frac { 2 } { 3 }$
E) $\frac { 2 } { 3 }$