Question 442949
{{{(2/(x-2)) - (2/(2-x))}}}

Notice {{{(x-2) * -1 = -x+2 = 2-x}}}

Then we can rewrite it as {{{(2/(x-2)) - (-2)/(x-2) = (2+2)/(x-2)}}}

Which is {{{4/(x-2)}}}.  Good job.