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20 February, 17:44

Multiply and simplify - 12i x 3i

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Answers (2)
  1. 20 February, 18:17
    0
    -36i^2 because - 12 X 3 = - 36 and i X i = i^2
  2. 20 February, 20:25
    0
    -12i*3i=-12*3*i*i

    12*3=36 i*i=i²

    So in the case of basic algebra, it's 36i²

    If i is √-1 then i² is √-1*√-1 which is - 1

    36*-1=-36
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