Add or subtract.
-(9 + 3i)- (-7 + i)
A)16 + 2i
B)-16 - 2i
C)2 + 4i
D)16 - 2i

Name: Add or subtract. -(9 + 3i)- (-7 + i) A)16 + 2i B)-16 - 2i C)2 + 4i D)16 - 2i
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Question

Quizplus · Accepted Answer

To solve (9 + 3i) - (-7 + i), first distribute the subtraction across the second complex number, changing it to (9 + 3i) + (7 - i). Then, add the real parts (9 + 7 = 16) and the imaginary parts (3i - i = 2i) together to get 16 + 2i.

Add or Subtract. -(9 + 3i)- (-7 + I)