canelaarroz3 canelaarroz3
  • 19-02-2021
  • Mathematics
contestada

X²+8x-84=0
Formúla General ​

Respuesta :

Goq
Goq Goq
  • 19-02-2021

Step-by-step explanation:

x²+8x= 84

x²+ x = 84÷8

x³ = 10.5

x = 10.5 ÷3

x = 3.5

x² = 7

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