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