jeremyvanover15 jeremyvanover15
  • 18-01-2018
  • Mathematics
contestada

Solve the following quadratic equation by the square root property of equality. x^2 - 81 = 0

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IvanMoungang
IvanMoungang IvanMoungang
  • 18-01-2018
x²-81=0,
x²=81,
x=√81,
x=9
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