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23 December, 23:27

Simplify (-3i) (-7i) (2i)

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  1. 24 December, 02:09
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    Step-by-step explanation:

    (-3i) (-7i) (2i) = (-3*-7*2) (i*i*i) = 42i^3 = 42 (-i) = - 42i

    So (-3i) (-7i) (2i) = - 42i
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