Decide What Values of the Variable Cannot Possibly Be Solutions $25 x ^ { 4 } - 61 x ^ { 2 } + 36 = 0$

Multiple Choice

Decide what values of the variable cannot possibly be solutions for the equation.
- $25 x ^ { 4 } - 61 x ^ { 2 } + 36 = 0$

A) $\left\{ - 1 , - \frac { 5 } { 6 } \right\}$
B) $\left\{ - 1 , - \frac { 5 } { 6 } , \frac { 5 } { 6 } , 1 \right\}$
C) $\left\{ - \frac { 6 } { 5 } , - 1,1 , \frac { 6 } { 5 } \right\}$
D) $\left\{ 1 , \frac { 6 } { 5 } \right\}$