Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
![](http://ideas.cs.uu.nl/images/external.png)
x == -1 or x == 3
ready: yes
Feedback
Path 1
path | [0, 7, 12, 0, 0, 2, 0, 0, 3, 0, 2, 0] |
steps | 12 |
major rules | 4 |
active labels | - quadraticequationstrategy
- zeroform
|
enter quadraticequationstrategy,
enter topform,
algebra.equations.quadratic.move-left,
exit topform,
enter generalform,
algebra.equations.quadratic.scale,
exit generalform,
enter generalform,
algebra.equations.quadratic.nice-factors,
exit generalform,
enter zeroform,
algebra.equations.quadratic.product-zero