samii6 samii6
  • 11-10-2017
  • Mathematics
contestada

I don't get this someone help me

I dont get this someone help me class=

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jimthompson5910 jimthompson5910
  • 11-10-2017
Group and combine like terms

(7 + 3i) + (-8 + 9i)
7 + 3i  - 8 + 9i
(7 - 8) + (3i + 9i)
-1 + 12i

Answer is choice A) -1+12i

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