please give me answer quickly
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(x-1/x)^2=x^2+1/x^2-2×x×1/x
=x^2+1/x^2-2
=51-2
=49
x-1/x=√49
=7
mark it as brainlist.
=x^2+1/x^2-2
=51-2
=49
x-1/x=√49
=7
mark it as brainlist.
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