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27 January, 04:34

How do I solve this? (5+i) (4-2i)

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  1. 27 January, 08:02
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    (5 + i) (4 - 2i)

    20 - 10i + 4i - 2i²

    20 - 6i - 2 (-1)

    20 - 6i + 2

    20 + 2 - 6i

    22 - 6i
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