Posted by **Shelley** on Wednesday, November 24, 2010 at 5:01pm.

Can someone help me explain how factoring is used to solve quadratic equations? I can't find an explaination anywhere.

- algebra -
**Damon**, Wednesday, November 24, 2010 at 5:59pm
say for example

x^2-3x+2 = 0

factor that left side

(x-2)(x-1) = 0

That tells you that if x = 2, the function is zero, because (2-2)=0

It also tells you that if x = 1, the function is zero. (1-1) = 0

so the solution is x = 2 or x = 1

## Answer this Question

## Related Questions

- Math (Algebra) - Could someone help to explain to me how factoring is used to ...
- Math (Algebra) Repost from July 27, 2010 at 4:13pm - Could someone help to ...
- ALGEBRA - Explain how factoring is used to solve quadratic equations. ...
- Math - Explain how factoring is used to solve quadratic equations. Demonstrate ...
- algebra 2 - how do you solve quadratic equations by factoring?
- math - please anwer these: 1) how can i multiply and divide polynomials ...
- Algebra - Solve the equation. Use factoring or the quadratic formula, whichever ...
- Pre algebra - How do I solve Quadratic equations by factoring? (for example how ...
- Math - Algebra - A. Solve the following quadratic equations. Make sure to show ...
- Algebra Quadratic Equations - I am trying to define the different appraoches to ...