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15 April, 04:46

Indicated operation and write the result in the form a+bi - 9 (-9i+4) + 3 (8+8i)

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Answers (2)
  1. 15 April, 06:46
    0
    -12 + 105i

    Step-by-step explanation:

    -9 (-9i+4) + 3 (8+8i)

    81i - 36 + 24 + 24i

    -12 + 105i
  2. 15 April, 08:28
    0
    -12 + 105i

    Step-by-step explanation:

    -9 (-9i+4) + 3 (8+8i)

    Distribute

    81i - 36 + 24 + 24i

    Combine like terms

    -36 + 24 + 81i + 24i

    -12 + 105i
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