Question

please answer this question fast

Answer 1

$\tt{f(x) = \frac{(x - 2)}{(x + 2)} }$

solve..

$\tt{f(x) = \frac{(x - 2)}{(x + 2)} \times \frac{(x - 2)}{(x - 2)} }$

$\tt{f(x) = \frac{(x - 2) {}^{2} }{ {x}^{2} - 4} }$

$\tt{f(x) = \frac{ {x}^{2} + 4 - 4x }{ {x}^{2} - 4} }$