If x2+1/x2=146,find the value ofx3-1
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x²+1/x²=146
x²+1/x²-2=146-2 (Subtracting 2 from both sides)
x²+1/x²-2*x*1/x=144
(x-1/x)²=144
x-1/x=12
x²+1/x²-2=146-2 (Subtracting 2 from both sides)
x²+1/x²-2*x*1/x=144
(x-1/x)²=144
x-1/x=12
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