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15 September, 14:28

Multiply (8 + 3i) (3 + 5i)

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  1. 15 September, 14:34
    0
    12+49i

    when you get i^2 it's the same as multiplying by - 1 so

    factoring it out will turn out like this

    15i^2+40i+9i+27

    instead of 15 i^2 multiply 15 x-1

    -15+49i+27

    12+49i
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