= 2x (x+5) / x+2(x+5) - (x-3)(x+2) / x+2(x+5) Multiply each side of the minus sign by the other sides denominatorover itsself to find common denominator.

= 2x(x+5) - (x-3)(x+2) / x+2(x+5) do the subtraction

= 2x^2 + 10x - x^2 + x + 6 / x+2(x+5) Multiply out the top terms