<PRE><B>Question 856842</B>
{{{(x+2)/(x+7) +(4x-3)/(x^2+4x-21) + (x-1)/(x-3)}}}



{{{(x+2)/(x+7) +(4x-3)/((x+7)(x-3)) + (x-1)/(x-3)}}}




{{{(((x+2)(x-3))+(4x-3)+((x-1)(x+7)))/(((x+7)(x-3)))}}}



{{{(x^2-x-6+4x-3+x^2+6x-7)/(((x+7)(x-3)))}}}


{{{(2x^2+9x-16)/(((x+7)(x-3)))}}}</PRE>