Question 1111140
 -2i + (9 - 3i) - (6 - 10i) as a complex number in standard form
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 -2i + (9 - 3i) - (6 - 10i) =  -2i + 9 - 3i - 6 + 10i
= 9-6 -2i-3i+10i
= 3 + 5i