brain1yexec2486 brain1yexec2486
  • 21-06-2017
  • Mathematics
contestada

Solve the equation using square roots. x^2 -9 =0

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sona23
sona23 sona23
  • 21-06-2017
x^2-9=0
x^2=9
×= square root of 9
your answer can be x=3 or ×=+-3
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