Exercise algebra.manipulation.rational.simplify
Description
simplify a rational expression (with a variable in a divisor)
Derivation
(x+3)*(x-3)/(x+3)^2
⇒ algebra.equations.rational.cancel-div, clipboard=[condition == (x /= -3)](x-3)/(x+3)
Description
simplify a rational expression (with a variable in a divisor)