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2 answers:
Answer: 14+22<em>i</em>
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Step-by-step explanation:
(5+3i)(4+2<em>i)</em>
=(5*4-3*2)+(5*2+4)
Answer: B) 14 + 22i
<u>Step-by-step explanation:</u>
(5 + 3i)(4 + 2i)
= 5(4 + 2i) + 3i(4 + 2i) <em>Multiplied using distributive property</em>
= 20 + 10i + 12i + 6i² <em>Distributed</em>
= 20 + 22i + 6i² <em>Added like terms</em>
= 20 + 22i + 6(-1) <em> i² = -1</em>
= 14 + 22i <em>Simplified</em>
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