I could not figure out the solution of $(x^2- 1) \bmod 8= 0$ Thank you.
What is the solution for $(x^2- 1) \bmod 8= 0$
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modular-arithmetic
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4You cannot solve a term. There is no equation to solve.. – 2012-12-01
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6Do you perhaps mean $x^2\equiv 1\pmod 8$? – 2012-12-01
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0sorry, it should be x^2-1 mod 8 = 0 – 2012-12-01
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0Welcome to math.SE: since you are new, I wanted to let you know a few things about the site. In order to get the best possible answers, it is helpful if you say in what context you encountered the problem, and what your thoughts on it are; this will prevent people from telling you things you already know, and help them give their answers at the right level. – 2012-12-01