nabiak32778 nabiak32778

23-04-2020
Mathematics

contestada

Find the product.
(7 - 8i)(8 + 7i)
a.
0 - 113i
c.
112 - 15i
b.
112 + 15i
d.
-56i2 - 15i +56

Respuesta :

kbhand3 kbhand3

30-04-2020

Answer: 112-15i

Step-by-step explanation:

(7)(8)+(7)(7i)+(-8i)(8)+(-8i)(7i)

56+49i-64i(-56(-1))

56+49i-64i+56

112-15i

Answer Link

gracecsteffy gracecsteffy

20-05-2020

Answer:

The anser is C. 112 - 15i

Step-by-step explanation:

Answer Link

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