mikkirae mikkirae
  • 24-08-2015
  • Mathematics
contestada

X squared minus 25 equals 0

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konrad509
konrad509 konrad509
  • 24-08-2015
[tex]x^2-25=0\\ x^2=25\\ x=\sqrt{25}\\ x=-5 \vee x=5[/tex]

or

[tex]x^2-25=0\\ (x+5)(x-5)=0\\ x=-5 \vee x=5 [/tex]
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