plz answer this question with explaination!!!!!!!!!!!!p.s if you dont know dont answer
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x^2+1/x^2=51
(x-1/x)^2+2=51
(x-1/x)^2=49
(x-1/x)=7
x^3-1/x^3=(x-1/x)^3+3x×1/x(x-1/x)
=7^3+3×7
=343+21=364
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