Question 865431
{{{((x^2+5x+6)/(4x-16)) ((x^2-16)/(x^2-x-6))}}}


{{{((x+3)(x+2)*(x+4)(x-4))/((4(x-4))((x-3)(x+2)))}}}

cancel off the common terms in the numerator and denominator

{{{((x+3)(x+4))/(4(x-3))}}}