PLEASE HELP ASAP Add the complex numbers: (4 + 8i) + (–2 – i)

Question

PLEASE HELP ASAP
Add the complex numbers: (4 + 8i) + (–2 – i)

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Maris 1 year 2021-08-31T01:05:50+00:00 2 Answers 3 views 0

Answers ( )

  1. nguyetanh
    0
    2021-08-31T01:07:32+00:00
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    Answer:

    2+7i

    Step-by-step explanation:

    Open the brackets.

    4+8i-2-i

    You will get…

    2+7i

  2. Orla
    0
    2021-08-31T01:07:41+00:00
    Reply

    Answer:

    2 + 7i

    Step-by-step explanation:

    (4 + 8i) + (-2 – i)

    open the brackets

    4 + 8i – 2 – i

    add or subtract like terms

    2 + 7i

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )