Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
3*x^2-6*x == 0
⇒ algebra.equations.quadratic.common-factor3*x*(x-2) == 0
⇒ algebra.equations.quadratic.product-zerox == 0 or x == 2
Description
solve a quadratic equation without abc-formula