Answer
$8-2i$
Work Step by Step
Step 1: $(7+3i)-[(2+i)-(3-4i)]$
Step 2: $(7+3i)-[2+i-3+4i]$
Step 3: $(7+3i)-[-1+5i]$
Step 4: $7+3i+1-5i$
Step 5: $8-2i$
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