Solve the Equation $80 x ^ { - 2 } - 18 x ^ { - 1 } + 1 = 0$

Multiple Choice

Solve the equation.
- $80 x ^ { - 2 } - 18 x ^ { - 1 } + 1 = 0$

A) $\left\{ \frac { 1 } { 8 } , \frac { 1 } { 10 } \right\}$
B) $\{ 8 , - 10 \}$
C) $\{ 8,10 \}$
D) $\{ - 8 , - 10 \}$