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13 June, 06:49

Multiply and simplify the product. 2i (4 - 5i)

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  1. 13 June, 09:16
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    10 + 8i.

    Step-by-step explanation:

    2i (4 - 5i) Distribute the 2i:

    = 2i*4 + 2i * - 5i

    = 8i - 10i^2 Note i^2 = - 1 so we have:

    8i - 10 * - 1

    = 8i + 10

    = 10 + 8i.
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