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
(2-x^2-x*D(x) 2+x*D(x) (x^2)-3*D(x) 2+3*D(x) (x^2))/(2-x^2)^2
calculus.differentiation.deriv-of-poly
(2-x^2-x*D(x) 2+x*D(x) (x^2)-3*D(x) 2+6*x)/(2-x^2)^2