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MathematicsMathematics
26 January, 09:36

Simplify

(2+3i) + (10-20i)

+1
Answers (1)
  1. 26 January, 09:59
    0
    12 - 17i

    Step-by-step explanation

    (2 + 3i) + (10 - 20i)

    remove unnecessary parenthesis

    2 + 3i + (10 - 20i)

    When there is a "+" in front of an expression in parentheses, the expression remains the same.

    2 + 3i + 10 - 20i

    add the numbers (2 and 10) then collect like terms (3i and 20)

    12 - 17i
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