marshall1 marshall1
  • 19-04-2014
  • Mathematics
contestada

what is he first step in solving the equation (*x*-6)2=9

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haley1234hayz12 haley1234hayz12
  • 19-04-2014
Remember Please Excuse My Dear Aunt Sally
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Аноним Аноним
  • 20-04-2014
[tex](x-6)^2=9\\\\first\ step-square\ root\\\\\sqrt{(x-6)^2}=\sqrt9\\\\next\ step:\\\\|x-6|=3\\\\solution:\\\\x-6=3\ \vee\ x-6=-3\\\\x=3+6\ \vee\ x=-3+6\\\\x=9\ \vee\ x=3[/tex]
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