Exercise algebra.manipulation.rational.simplify
Description
simplify a rational expression (with a variable in a divisor)
Derivation
(a^3+7*a^2+12*a)/(a^2+6*a+9)
⇒ algebra.equations.quadratic.nice-factors(a^3+7*a^2+12*a)/(a+3)^2
⇒ algebra.equations.polynomial.factor-varpowera*(a^2+7*a+12)/(a+3)^2
⇒ algebra.equations.quadratic.nice-factorsa*(a+3)*(a+4)/(a+3)^2
⇒ algebra.equations.rational.cancel-div, clipboard=[condition == (a /= -3)]a*(a+4)/(a+3)
⇒ algebra.equations.linear.distr-times(a^2+4*a)/(a+3)