Question 340817
{{{(a+6)/(a^2-a-2) - (a-1)/(a^2-5a-6)}}}
{{{(a+6)/((a-2)(a+1)) - (a-1)/(a-6)(a+1)}}}
LCD = (a-6)(a-2)(a+1)
{{{((a+6)(a-6)-(a-1)(a-2))/(a-6)(a-2)(a+1)}}}
{{{(a^2-36 -(a^2-3a+2))/(a-6)(a-2)(a+1)}}}
{{{a^2-36-a^2+3a-2)/(a-6)(a-2)(a+1)}}}
{{{(3a-38)/(a-6)(a-2)(a+1)}}}