miahj4384 miahj4384

26-03-2020
Mathematics

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Use the distributive property (FOIL) to simplify the expression (2-4i)(5+i). Show your work.

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wegnerkolmp2741o wegnerkolmp2741o

26-03-2020

Answer:

14 -18i

Step-by-step explanation:

(2-4i)(5+i)

FOIL

first : 2*5 =10

outer: 2*i = 2i

inner: -4i*5 = -20i

last: -4i*i = -4i^2 = -4(-1) = 4

Add these together = 10+2i -20i +4 = 14 -18i

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