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08-10-2021
Mathematics

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Respuesta :

Anonimity Anonimity

08-10-2021

Step-by-step explanation:

D = b² - 4ac

#1

D = 10² - 4 · 3 · 2

D = 100 - 24

D = 76

#2

D = (-5)² - 4 · 1 · (-4)

D = 25 - (-16)

D = 26 + 16

D = 42

#3

D = 7² - 4 · 1 · (-8)

D = 49 - (-32)

D = 49 + 32

D = 81

#4

D = 0² - 4 · 1 · (-9)

D = 0 - (-36)

D = 36

#5

D = (-6)² - 4 · 5 · 10

D = 36 - 200

D = - 164

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