Exercise calculus.differentiation.quotient

Description
Use the quotient-rule to find the derivative of a polynomial. Only remove parentheses in the numerator.

Derivation

Final term is not finished

((x+4)*D(x) x-(x-3)*D(x) (x+4))/(x+4)^2

⇒ calculus.differentiation.deriv-of-poly

(x+4-(x-3)*D(x) (x+4))/(x+4)^2