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Sinz

Add the complex expressions, and simplify. (1 – 3.5i) + (3.6 + 6.5i)

  • 2 years ago
  • 2 years ago

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  1. Walleye
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    ok distribute it out first and lets see what you get

    • 2 years ago
  2. Sinz
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    (1+3.6) - (3.5i+6.5i)

    • 2 years ago
  3. Walleye
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    nope here is how you distribute \[(a+b) * (c + d) = ac + ad + bc + bd\]

    • 2 years ago
  4. Walleye
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    does that help at all?

    • 2 years ago
  5. Sinz
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    yes I am sorry I am helping others and keeping up with my own

    • 2 years ago
  6. Sinz
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    1-3.5i + 3.6 + 6.5i = 1+3.6 *1+6.5i= 3.7 + 6.6i = 3.5i+3.6 * 3.5i+6.5i= 7.1i + 10i = 17i does that look right

    • 2 years ago
  7. Sinz
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    or is it confusing?

    • 2 years ago
  8. Walleye
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    I will tell you the answer is 4.6 + 3i

    • 2 years ago
  9. Sinz
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    okay

    • 2 years ago
  10. Walleye
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    lets double check your FOIL

    • 2 years ago
  11. Sinz
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    thank you was it that confusing?

    • 2 years ago
  12. Tyler1992
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    All you do is add the real parts and then add the imaginary parts.. There shouldnt be any distributing

    • 2 years ago
  13. Walleye
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    You FOIL is very confusing haha.

    • 2 years ago
  14. Sinz
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    works lets double check

    • 2 years ago
  15. Walleye
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    Im really really sorry!!!!! I thought it was (1 – 3.5i) (3.6 + 6.5i) and not (1 – 3.5i) + (3.6 + 6.5i)

    • 2 years ago
  16. Walleye
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    tyler is right!

    • 2 years ago
  17. Tyler1992
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    \[(1 + 3.6) + (-3.5 + 6.5)i\]\[4.6 + 3i\]

    • 2 years ago
  18. Sinz
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    okay thank you tyler

    • 2 years ago
  19. Sinz
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    and you too Walleye

    • 2 years ago
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