Exercise algebra.manipulation.rational.simplify
Description
simplify a rational expression (with a variable in a divisor)
Derivation
(p^2-4)/(p*(4*p+8))
⇒ algebra.equations.polynomial.simpler-linfactor(p^2-4)/(4*p*(p+2))
⇒ algebra.equations.quadratic.nice-factors(p+2)*(p-2)/(4*p*(p+2))
⇒ algebra.equations.rational.cancel-div, clipboard=[condition == (p /= -2)](p-2)/(4*p)