Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
![](http://ideas.cs.uu.nl/images/external.png)
x == 3 or x == -1
ready: yes
Feedback
Path 1
path | [0, 7, 13, 0, 4, 7, 0, 0, 4, 0, 5, 0, 1, 0, 0, 5, 2, 0, 1] |
steps | 19 |
major rules | 5 |
active labels | - quadraticequationstrategy
|
enter quadraticequationstrategy,
enter topform,
algebra.equations.quadratic.prepare-split,
exit topform,
enter constantform,
algebra.equations.quadratic.left-square,
exit constantform,
enter generalform,
algebra.equations.coverup.power,
exit generalform,
navigator.down,
enter constantform,
algebra.equations.coverup.onevar.minus-left,
exit constantform,
navigator.up,
navigator.down,
navigator.right,
enter constantform,
algebra.equations.coverup.onevar.minus-left