text: simplify this please? 2/(h+1)-2/h  please explain each step as of what you did. 2/(h+1) - 2/h [multiply to get a common denominator] =(2/(h+1))*(h/h) - (2/h)*((h+1)/(h+1)) =2h/h(h+1) - 2(h+1)/(h(h+1)) =2h/(h^2+h) - (2h+2)/(h^2+h) =(2h-2h-2) / (h^2+h) =(-2) / (h^2+h)