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posted by sarah on Monday, March 2, 2009 at 4:10pm.
Evaluate x^2 - 3x + 6 for x=3+i (3+i)^2 - 3(3+i)+6 3+2i-9-3i+6 I got 0 - 1i is this correct or do i use 0
from (3+i)^2 - 3(3+i)+6 = 9 + 6i + i^2 - 9 - 3i + 6 = 3i + 5, remember i^2 = -1
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