$\"\"$

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

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Conjugate of $\"\"$ is $\"\"$ .

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

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

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By the using multiplication formula: $\"\"$ .

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$\"\"$

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Evaluate powers: $\"\"$ .

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

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Combine like terms using distributive property: $\"\"$ .

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$\"\"$

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$\"\"$ (Subtract: 8 $\"\"$ 3 = 5) $\"\"$

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

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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: 6 + 4 = 10 and 16 + 9 = 25)

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

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

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The simplified expression is $\"\"$ .