Question 204903
{{{((x^2 - 9x + 8)/(2x - 4))/((x^2 - 1) / (2x + 2))}}}
={{{((x-8)(x-1)/2(x-2))/((x-1)cross(x+1)/(2*cross(x+1)))}}}
={{{((x-8)*cross(x-1)/2(x-2))*(2/cross(x-1))}}}
={{{((x-8)/cross(2)/(x-2))*cross(2)}}}
={{{(x-8)/(x-2)}}}