help im lost?

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  • 2 months ago
    Favorite Answer

    Multiply numerator and denominator by conjugate of denominator

    3 - 2i     7 - 2i

    ––––– * –––––

    7 + 2i    7 - 2i

    21 - 6i - 14i  - 4

    –––––––––––––––

    49 -14i + 14i + 4

    17 - 20i

    –––––––

        53

    17        20i

    –––  -  –––– <––––––

     53        53

  • 1 month ago

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