$\"\"$

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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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Multiply the complex numbers using FOIL method

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= $\"\"$

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= $\"\"$ (Evaluate power: $\"\"$ ) $\"http://www.mathskey.com/userfiles/image/steps_images/step3.JPG\"$

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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: 1 + 2 = 3)

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

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

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The simplified expression is $\"\"$ .