Answer
$22+3i$
Work Step by Step
Step 1: $(4-i)(5+2i)$
Step 2: $4(5+2i)-i(5+2i)$
Step 3: $20+8i-5i-2i^{2}$
Step 4: $20+3i-2(-1)$
Step 5: $20+3i+2$
Step 6: $22+3i$
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