# factorising

**URL:** <https://boards.straightdope.com/t/factorising/38399>\
**Category:** Factual Questions\
**Created:** [October 26, 2000, 12:09pm UTC](https://boards.straightdope.com/t/factorising/38399 "2000-10-26T12:09:47Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![brods](https://avatars.discourse-cdn.com/v4/letter/b/e9c0ed/32.png) [@brods](https://boards.straightdope.com/u/brods)\
**Post date:** [October 26, 2000, 12:09pm UTC](https://boards.straightdope.com/t/factorising/38399/1 "2000-10-26T12:09:47Z")

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how do factorise the equation:

```
    y = ax^4 + bx^3 + cx^2 + dx + e

```

a quick and easy method would be preferable

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**Author:** ![Cabbage](https://avatars.discourse-cdn.com/v4/letter/c/f07891/32.png) [@Cabbage](https://boards.straightdope.com/u/Cabbage)\
**Post date:** [October 26, 2000, 4:27pm UTC](https://boards.straightdope.com/t/factorising/38399/2 "2000-10-26T16:27:05Z")

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There isn’t a quick and easy method. Check

[http://www.mathforum.com/dr.math/faq/faq.cubic.equations.html](http://www.mathforum.com/dr.math/faq/faq.cubic.equations.html)

By the way, there is no method for degree 5 and higher.