Question

(x²+1/x)-5(x-1/x)+1=0​

Answer 1

2(x2+1/x2)-3(x-1/x)-1=0

x4+1/x-3x+3/x-1=0

x+4/x-1=0

x^2-x+4=0

x=-(-1)±{√(-1)^2-4×1×4}/2×1

x=1±√(-15)/2