Answer:
-2+4i the ansewr is D.
Step-by-step explanation:
Verify Left hand:
Simplify the following:
2 + 3 i - 4 + i
2 + 3 i - 4 + i = (2 - 4) + (3 i + i):
(3 i + i) + (2 - 4)
2 - 4 = -2:
-2 + (3 i + i)
3 i + i = 4 i:
4 i - 2
Factor 2 out of 4 i - 2 giving 2 (2 i - 1):
Answer: 2 (2 i - 1)
Verify Right Hand:
Simplify the following:
4 i - 2
Factor 2 out of 4 i - 2 giving 2 (2 i - 1):
Answer: 2 (2 i - 1)
