Answer
$7-6i$
Work Step by Step
Step 1: $(6-3i)+[(4-2i)-(3+i)]$
Step 2: $(6-3i)+[4-2i-3-i]$
Step 3: $(6-3i)+(1-3i)$
Step 4: $6+1-3i-3i$
Step 5: $7-6i$
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