Question 210699
3n over 2n+9 subtracted by
6n-5 over 2n+9
:
{{{(3n)/((2n+9))}}} - {{{((6n-5))/((2n+9))}}}
:
They have the same denominator so we can just write it
{{{((3n)-(6n-5))/((2n+9))}}}
:
remove the brackets (change the sign of 5)
{{{((3n-6n+5))/((2n+9))}}}  = {{{((-3n+5))/((2n+9))}}}