anonymous
  • anonymous
Add the complex expressions, and simplify. (1 – 3.5i) + (3.6 + 6.5i)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
ok distribute it out first and lets see what you get
anonymous
  • anonymous
(1+3.6) - (3.5i+6.5i)
anonymous
  • anonymous
nope here is how you distribute \[(a+b) * (c + d) = ac + ad + bc + bd\]

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anonymous
  • anonymous
does that help at all?
anonymous
  • anonymous
yes I am sorry I am helping others and keeping up with my own
anonymous
  • anonymous
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
anonymous
  • anonymous
or is it confusing?
anonymous
  • anonymous
I will tell you the answer is 4.6 + 3i
anonymous
  • anonymous
okay
anonymous
  • anonymous
lets double check your FOIL
anonymous
  • anonymous
thank you was it that confusing?
anonymous
  • anonymous
All you do is add the real parts and then add the imaginary parts.. There shouldnt be any distributing
anonymous
  • anonymous
You FOIL is very confusing haha.
anonymous
  • anonymous
works lets double check
anonymous
  • anonymous
Im really really sorry!!!!! I thought it was (1 – 3.5i) (3.6 + 6.5i) and not (1 – 3.5i) + (3.6 + 6.5i)
anonymous
  • anonymous
tyler is right!
anonymous
  • anonymous
\[(1 + 3.6) + (-3.5 + 6.5)i\]\[4.6 + 3i\]
anonymous
  • anonymous
okay thank you tyler
anonymous
  • anonymous
and you too Walleye

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