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21 November, 04:44

Perform the operation (1-2i) - (7+4i)

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Answers (1)
  1. 21 November, 07:58
    0
    -6 (1+i)

    Step-by-step explanation:

    Let's open the bracket

    (1-2i) - (7+4i)

    Open the bracket first

    (1-2i) - 7-4i

    1-2i-7-4i

    Collect like terms

    1-7-2i-4i

    -6-6i

    Let's factorise

    -6 (1+i)

    So the final answer is

    -6 (1+i)
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