Step-by-step explanation:
[tex] \frac{1}{x} - \frac{1}{x - 2} = 3[/tex]
× All by x(x-2) both sides of equation
(x-2)-x = 3x(x-2)
x-2-x = 3x² - 6x
-2 = 3x² - 6x
0 = 3x² - 6x +2
3x² - 6x + 2 = 0
and use the formula
[tex]x = \frac{ - b + - \sqrt{ {b}^{2} - 4ac } }{2a} [/tex]
