Posted by Sophie on Wednesday, June 24, 2009 at 5:25pm.
I get 3-8i
how did you get 5 - 8i ??
-1 + 4 = 3 not 5
3-8i is correct.
(-1-2i)+(4-6i)
= -1-2i + 4-6i
= -1+4 -2i -6i
= 3 - 8i
I get confused with negatives sometimes! thanks though!!
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