Exercise algebra.inequalities.quadratic
Description
solve a quadratic inequation
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
-x^2+5*x == 0
⇒ algebra.equations.quadratic.common-factor-x*(x-5) == 0
⇒ algebra.equations.quadratic.product-zerox == 0 or x == 5
Description
solve a quadratic inequation