Solve Equations That Are Quadratic in Form
Solve the Equation $$10 x ^ { - 2 } + 11 x ^ { - 1 } + 1 = 0$$

Multiple Choice

Solve Equations That Are Quadratic in Form
Solve the equation by making an appropriate substitution.
- $$10 x ^ { - 2 } + 11 x ^ { - 1 } + 1 = 0$$

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