Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
x == (-4+sqrt 32)/2 or x == (-4-4*sqrt 2)/2
⇒ algebra.equations.quadratic.distr-divx == (-4+sqrt 32)/2 or x == -2-4*sqrt 2/2
Description
solve a quadratic equation without abc-formula