Exercise algebra.manipulation.rational.simplify

Description
simplify a rational expression (with a variable in a divisor)

Derivation

(p^2-4)/(4*p^2+8*p)
algebra.equations.quadratic.common-factor
(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)