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4 February, 01:35

Simplify 9i (2+3i)

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Simplify the expression

(-5+2i) (3-4i)

Show work

Simplify 4i|-28|

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Answers (2)
  1. 4 February, 02:46
    0
    Simplify 9i (2+3i):

    9i*2=18i

    9i*3i=27i

    18i+27i
  2. 4 February, 05:04
    0
    9i (2+3i) = - 27+18i

    Step-by-step explanation:

    Distribute to get → 9i·2+9i (3i)

    Multiply 2 and 9 → 18i+9i (3i)

    Simplify → 18i+27i²

    Simplify → 18i-27

    Reorder → - 27+18i
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