Write the Partial Fraction Decomposition of the Rational Expression $$\frac { x ^ { 2 } - 56 } { x ^ { 4 } + 5 x ^ { 2 } - 36 }$$

Essay

Write the partial fraction decomposition of the rational expression.
- $$\frac { x ^ { 2 } - 56 } { x ^ { 4 } + 5 x ^ { 2 } - 36 }$$