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