Question

x - 1/x = 3 ; (x≠0)
find x by method of completing the square. ​

Answer 1

Answer:

Step-by-step explanation:x-1/x=3

X^2-1=3x

X^2-3x-1=0

X^2-2×x×3/2+(3/2)^2-1-(3/2)^2=0

(X-3/2)^2=1+9/4

X-3/2^2=13/4

X-3/2=root13/2 or -root13/2

X=3+root13/2 or 3-root13/2