How do you solve \frac { x - 4} { x ^ { 2} } = \frac { 1} { x ^ { 2} } - 1?

1 Answer
Apr 14, 2018

x_1,x_2=(-1+-sqrt21)/2

Explanation:

(x-4)/x^2-1/x^2=-1
(x-4-1)/x^2=-1
x-4-1=-x^2
x^2+x-5=0 Delta=21
x_1,x_2=(-1+-sqrt21)/2