$\"\"$

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The partial fraction of decomposition rational expression is $\"\"$ .

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$\"\"$

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Rewrite the expression into partial fraction.

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$\"\"$

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Find the values of $\"\"$ , $\"\"$ , $\"\"$ and $\"\"$ .

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Multiple each side by the denominator fraction.

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$

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$\"\"$ .

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Equate the coefficient of $\"\"$ , $\"\"$ , $\"\"$ and constants.

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$\"\"$ , $\"\"$ , $\"\"$ and $\"\"$ .

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$\"\"$ , $\"\"$ , $\"\"$ and $\"\"$

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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Substitute $\"\"$ and $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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Substitute $\"\"$ in $\"\"$ and $\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Substitute $\"\"$ , $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Substitute $\"\"$ , $\"\"$ and $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Substitute the $\"\"$ in $\"\"$ , $\"\"$ , $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ , $\"\"$ , $\"\"$ and $\"\"$ .

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Substitute the $\"\"$ , $\"\"$ , $\"\"$ and $\"\"$ values in equation $\"\"$ .

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$\"\"$

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The partial fraction is

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$\"\"$ .

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$\"\"$

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The partial fraction is $\"\"$ .