Question

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Answer 1

Answer: 14+22i

Explanation:

(5+3i)(4+2i)

=(5*4-3*2)+(5*2+4)

Answer 2

Answer: B) 14 + 22i

Explanation:

(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