Question 125992
Simplify:
{{{(5x-10)/(20-10x)}}} Rewrite the denominator.
{{{(5x-10)/(-(10x-20))}}} Factor a 5 in the numerator and a 10 in the denominator.
{{{5cross((x-2))/(-10cross((x-2)))}}} Cancel the indicated factors.
{{{5/-10 = -1/2}}}, so...
{{{(5x-10)/(20-10x) = -1/2}}}