(87 POINTS!!!) Simplify the expression: (3-4i)(1+5i) – (2-i) *SHOWING OF THE WORK IS NEEDED.*

Question

(87 POINTS!!!)

Simplify the expression: (3-4i)(1+5i) – (2-i)

*SHOWING OF THE WORK IS NEEDED.*

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Sapo 5 years 2021-07-25T02:49:28+00:00 1 Answers 19 views 0

Answers ( )

  1. quangkhai
    0
    2021-07-25T02:51:26+00:00
    Reply

    Answer:

    21 + 12i

    Explanation:

    (3 – 4i)(1 + 5i) – (2 – i)

    (3 – 4i)(1 + 5i): 23 + 11i

    23 + 11i – (2 – i)

    -(2 – i): -2 + i

    23 + 11i – 2 + i

    Simplify

    23 + 11i – 2 + i: 21 + 12i

    = 21 + 12i

    – Pacific Northwest

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