Find the difference quotient f(x+ h)-f(x)/(h), where h ? 0, for the function below. f(x)=-x-2x+5Simplify your answer as much as possible. f(x +h)-f(x)/(h)=

Find the difference quotient f(x+ h)-f(x)/(h), where h ? 0, for the function below. f(x)=-x²-2x+5Simplify your answer as much as possible. f(x +h)-f(x)/(h)=