acrain51 acrain51

14-09-2020
Mathematics

contestada

Simplify the expression (8 + 6i)(8 − 6i). 28 100 64 − 48i 64 + 48i

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kalebr0703 kalebr0703

14-09-2020

Answer:

Answer:

-20 + 48i

Step-by-step explanation:

(4 +6i)^2 (Perfect square)

= (4)^2 + 2(4)(6i) + (6i)^2

= 16 + 48i + 36i^2

= 16 + 48i - 36 (i^2 = -1)

= -20 + 48i

Step-by-step explanation:

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myliege6 myliege6

29-09-2021

Answer:

B. 100

Step-by-step explanation:

i took the exam

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