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9 September, 22:05

Multiply (6 + 2i) (6 - 2i)

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Answers (2)
  1. 9 September, 22:20
    0
    4i^2 - 36

    Step-by-step explanation:

    (6+2i) (6-2i)

    (2i * 2i) = 4i^2

    (2i * - 6) = - 12i

    (2i * 6) = 12i

    (-6 * 6) = - 36

    combine like terms

    4i^2 - 36
  2. 9 September, 22:27
    0
    40

    Step-by-step explanation:

    (6 + 2i) (6 - 2i) = 40
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