mikkirae
mikkirae
24-08-2015
Mathematics
contestada
X squared minus 25 equals 0
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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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