Seudónimo Seudónimo
  • 07-12-2020
  • Mathematics
contestada

Solve the quadratic equation by the appropriate method.

x^2-81=0

Respuesta :

geetarani80000g
geetarani80000g geetarani80000g
  • 07-12-2020

Answer:

x*x-81=0

x*x=81

x=√81

x=9

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