$\"\"$

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Multiply the numerator and denominator by the conjugate of the denominator $\"\"$ . Conjugate of $\"\"$ is $\"\"$ .

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Multiply the numerator and denominator by $\"\"$ .

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$\"\"$

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$\"\"$ $\"\"$

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Multiply the numerator using FOIL method

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$\"\"$

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$\"\"$ (Multiply: $\"\"$ )

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Evaluate power: $\"\"$ .

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$\"\"$ $\"http://www.mathskey.com/userfiles/image/steps_images/step3.JPG\"$

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$\"\"$ (Substitute the imaginary unit value $\"\"$ )

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$\"\"$ (Product of two different signs is negative)

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$\"\"$ (Product of two same signs is positive) $\"\"$

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Apply commutative property of addition: a + b = b + a.

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$\"\"$

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$\"\"$ (Add: 25 + 3 = 28)

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$\"\"$ (Subtract: $\"\"$ )

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$\"\"$ (Write standard division form: $\"\"$ )

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$\"\"$ (Divide: $\"\"$ ) $\"\"$

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The simplified expression is $\"\"$ .