Choose the one alternative that best completes the statement or answers the question.
Solve the equation.
-$$x ^ { 2 } \left( x ^ { 2 } + 31 \right) = 180$$
A) $\{ \pm 5 i , \pm 6 \}$
B) $\{ \pm 5 , \pm 6 \}$
C) $\{ \pm 5 , \pm 6 i \}$
D) $\{ \pm \sqrt { 5 } , \pm 6 i \}$

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The Answer of Choose the one alternative that best completes the statement or answers the question.
Solve the equation.
-$$x ^ { 2 } \left( x ^ { 2 } + 31 \right) = 180$$
A) $\{ \pm 5 i , \pm 6 \}$
B) $\{ \pm 5 , \pm 6 \}$
C) $\{ \pm 5 , \pm 6 i \}$
D) $\{ \pm \sqrt { 5 } , \pm 6 i \}$

Choose the One Alternative That Best Completes the Statement or Answers