afarideh afarideh
  • 03-01-2020
  • Mathematics
contestada


[tex] {x}^{2} - 1 < 18[/tex]
​

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r3t40
r3t40 r3t40
  • 03-01-2020

[tex]

x^2-1 < 18 \\

x^2 < 19 \\

x < \sqrt{19}

[/tex]

Hope this helps.

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