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17 December, 13:40

What is (5+2i) ⋅ (-5-i)

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  1. 17 December, 13:45
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    Answer: (-27i - 15)

    Step-by-step explanation:

    By expanding,

    (5 + 2i). (-5 - i)

    = - 25 - 5i - 10i - 2

    = - 25-2 - 5i - 10i

    = - 27 - 15i ...
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