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4 February, 07:16

What is (-1+8i) (-8+8i)

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Answers (2)
  1. 4 February, 07:25
    0
    -56-72i I think this is correct.
  2. 4 February, 07:39
    0
    Here you need to apply the complex arithmetic rule: (a+bi) (c+di)

    a=-1

    c=-8

    b=8

    d=8

    (-1 · (-8) - 8·8) + (-1 · 8i+8 (-8) i

    8-64+-8i-8i-64i

    -56-72i
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