jettyjoz jettyjoz
  • 09-03-2019
  • Mathematics
contestada

solve by taking the square root: (x-1)^2=9
Step by step PLEASE HELP!!!

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Kamikazeminem
Kamikazeminem Kamikazeminem
  • 09-03-2019

[tex]Answer: \\ {(x -1 )}^{2} = 9 \\ \Leftrightarrow \sqrt{ {(x - 1)}^{2} } = \sqrt{9} \\ \Leftrightarrow |x - 1| = 3 \\ \Leftrightarrow x - 1 = \pm3 \\ \Leftrightarrow x = - 2 \: \vee \: x = 4[/tex]

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