Question 62693
{{{ (x-13)/(x^2-x-12) + (3x-3)/(x^2-x-12) }}}
Make it into one fraction
{{{ (x-13+3x-3)/(x^2-x-12) }}}
Combine like terms in the numerator
{{{ (4x -16)/(x^2-x-12) }}}
factor numerator and denominator
{{{ 4(x-4)/(x-4)(x+3) }}}
Reduce the fraction
{{{ 4/(x+3) }}}