Solve the Equation $( 10 x - 1 ) ( 5 x - 4 ) = 0$

Multiple Choice

Solve the equation. $( 10 x - 1 ) ( 5 x - 4 ) = 0$

A) $\left\{ \frac { 1 } { 10 } , \frac { 4 } { 5 } \right\}$
B) $\left\{ \frac { 1 } { 10 } , - \frac { 4 } { 5 } \right\}$
C) $\left\{ - \frac { 1 } { 10 } , \frac { 4 } { 5 } \right\}$
D) none of these