Posted by **Katie** on Wednesday, October 7, 2009 at 5:53pm.

x^3-3x^2+3x-9=0. My book factors it to x^2(x-3)+3(x-3)=0, but then it magically becomes (x-3)(x^2+3). I have no idea how it became these numbers. Could you explain please? Thanks!

## Answer this Question

## Related Questions

- math - how to use hundreds chart to answer this;(1)what % of the numbers are ...
- algebra - Find all positive values for k for which each of the following can be ...
- Math - I am having some trouble with this problem: What characteristics do the ...
- Algebra 2 .. - Please explain on how to do each of these! *Let (x) be defined ...
- "write a paragraph on book's thesis"? - I'm going into AP (advanced placement) ...
- Algebra 1 - Please list five numbers that have 3, 5, and 7 as prime factors. ...
- Algebra 2 - Three whole numbers, when added two at a time, have sums of 763, ...
- English - Please fix this sentence: As I was reading the Bible, I became ...
- coomon factors - I don't understand common factors. can someone show me how to ...
- english - We have to do an oral commentary and analyze an poem that can be ...