Question 156625
{{{9/(x^2-9x+14)-7/(x-2)}}}
={{{9/((x-2)(x-7))-7/(x-2)}}}
={{{9/((x-2)(x-7))-(7(x-7))/((x-2)(x-7))}}}
={{{(9-7(x-7))/((x-2)(x-7))}}}
={{{(9-7x+49)/((x-2)(x-7))}}}
={{{(58-7x)/((x-2)(x-7))}}}