Question 324551
(2x^2+3x+5/x^2+7x) +(23+x-2x^2/x^2+7x)
..
LCM = x^2+7x
..
2x^2+3x+5 +x-2x^2 +23 / x^2+7x
..
4x+28 / x(x+7)
..
4(x+7) /x(x+7)
..
4/x