jluna432 jluna432

21-01-2020
Mathematics

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simplify the expression (-4+5/)(5+2/)

simplify the expression 4552 class=

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jimrgrant1 jimrgrant1

21-01-2020

Answer:

D

Step-by-step explanation:

Given

(- 4 + 5i)(5 + 2i) ← expand factors using FOIL

= - 20 - 8i + 25i + 10i² ← i² = - 1

= - 20 + 17i - 10

= - 30 + 17i

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