Question 1025338
{{{(d^2-9d+18)/(d^2+2d-15)+(d^2-2d-8)/(d^2+5d+6) =((d-3)(d-6))/((d+5)(d-3))+((d-4)(d+2))/((d+2)(d+3))}}}
{{{(d^2-9d+18)/(d^2+2d-15)+(d^2-2d-8)/(d^2+5d+6) =(cross(d-3)(d-6))/((d+5)cross(d-3))+((d-4)cross(d+2))/(cross(d+2)(d+3))}}}
{{{(d^2-9d+18)/(d^2+2d-15)+(d^2-2d-8)/(d^2+5d+6) =((d-6)(d+3))/((d+5)(d+3))+((d-4)(d+5))/((d+3)(d+5))}}}
{{{(d^2-9d+18)/(d^2+2d-15)+(d^2-2d-8)/(d^2+5d+6) =((d-6)(d+3)+(d-4)(d+5))/((d+3)(d+5))}}}
{{{(d^2-9d+18)/(d^2+2d-15)+(d^2-2d-8)/(d^2+5d+6) =(d^2-3d-18+d^2+d-20)/((d+3)(d+5))}}}
{{{(d^2-9d+18)/(d^2+2d-15)+(d^2-2d-8)/(d^2+5d+6) =(2d^2-2d-38)/((d+3)(d+5))}}}
{{{highlight((d^2-9d+18)/(d^2+2d-15)+(d^2-2d-8)/(d^2+5d+6) =(2(d^2-d-19))/((d+3)(d+5)))}}}