Question 894494
Yes
{{{((x-5))/((5-x))}}}
Factor out -1 from the denominator, now you have
{{{((x-5))/(-1(-5+x)))}}}
Which is
{{{((x-5))/(-1(x-5)))}}}
Cancel (x-5) and you have
{{{1/(-1)}}}
which iequals -1