Question

x^2+1/x^2-3 what is the answer

Answer 1

x^2+1/x^2=23

Or, (x+1/x)^2–2×x×1/x=23

Or, (x+1/x)^2–2=23

Or, (x+1/x)^2=23+2

Or, (x+1/x)^2=25

Or, (x+1/x)=±5

Taking+5 we have

x+1/x=5

Or, x^2–5x+1=0