Exercise calculus.differentiation.quotient

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

Derivation

((3*x^2-1)*6*x^2-12*x^4)/(3*x^2-1)^2
algebra.equations.linear.distr-times
(18*x^4-6*x^2-12*x^4)/(3*x^2-1)^2
algebra.equations.linear.merge
(6*x^4-6*x^2)/(3*x^2-1)^2