Exercise algebra.manipulation.rational.simplify
Description
simplify a rational expression (with a variable in a divisor)
Derivation
(2*p^2+8*p)/(p^2-16)
⇒ algebra.equations.quadratic.nice-factors(2*p^2+8*p)/((p+4)*(p-4))
⇒ algebra.equations.quadratic.common-factor2*p*(p+4)/((p+4)*(p-4))
⇒ algebra.equations.rational.cancel-div, clipboard=[condition == (p /= -4)]2*p/(p-4)