Question 20016
{{{(-x^2-x+6)/(x^2-4x+4 )}}}
={{{((-x+2)(x+3))/((x-2)(x-2))}}}
={{{(-(x-2)(x+3))/((x-2)(x-2))}}}
={{{(-(cross(x-2))(x+3))/((cross(x-2))(x-2))}}}
={{{(-(x+3))/(x-2)}}}