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18 June, 18:20

What is the different of the complex number? (3+7i) - (-4-2i)

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  1. 18 June, 20:28
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    7 + 9i

    Step-by-step explanation:

    Given

    (3 + 7i) - 1 ( - 4 - 2i) ← distribute both parenthesis

    = 3 + 7i + 4 + 2i ← collect like terms

    = 7 + 9i
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