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Phantasy [73]
3 years ago
12

Multiply and simplify the product. (8 – 5i)2 Select the product. 39 89 39-80i 89-80i

Mathematics
2 answers:
Triss [41]3 years ago
8 0

Answer:

39 - 80i

Step-by-step explanation:

(8 - 5i)²

= (8 - 5i)(8 - 5i)    (expand using FOIL. See attached for reference)

= (8)(8)  + (8)(-5i) + (-5i)(8) + (-5i)(-5i)

= 64 - 40i - 40i + 25i²  

= 64 - 80i  + 25i² (recall that i² = -1)

= 64 - 80i + 25(-1)

= 64 - 80i - 25

= 39 - 80i

zavuch27 [327]3 years ago
3 0

Answer:

the answer is C on edge jsst did the assignment

Step-by-step explanation:

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