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math

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Simplify: (-1-2i)+(4-6i)

I get 3-8i and 5-8i... confused, which one is it?

  • math -

    I get 3-8i

    how did you get 5 - 8i ??

    -1 + 4 = 3 not 5

  • math -

    3-8i is correct.

    (-1-2i)+(4-6i)
    = -1-2i + 4-6i
    = -1+4 -2i -6i
    = 3 - 8i

  • math -

    I get confused with negatives sometimes! thanks though!!

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