polynomial subtraction
a-a2-a-6/2(a-3)
a-a(squared)-a-6 divided by 2(a-3)
do you mean
a - a2 - (a-6)/((2(a-3)) or
a - a2 - a - 6/((2(a-3))
and what do you want done with it?
a-a2-a-6/2(a-3)
a-a(squared)-a-6 divided by 2(a-3)
a - a2 - (a-6)/((2(a-3)) or
a - a2 - a - 6/((2(a-3))
and what do you want done with it?