Posted by **Krissy** on Monday, January 21, 2013 at 5:26pm.

The expression x^2-7 is not factorable using integer values. But the expression can be written in the form X^2-(Square root7)^2 enabling us to factor it as a “binomial” and its conjugate: (x+square root 7)(x-square root 7) Use this idea to factor the following expressions.

1. X^2-5

## Answer This Question

## Related Questions

- ALGEBRA - 1, Factor each expression x^2 - 10x - 24 A. (x + 4)(x - 6) B. (x + 6)(...
- Algebra - Rationalize each expression by building perfect nth root factors for ...
- College Algebra - I need some help with a handful of questions. I need to see ...
- College Algebra - I need some help with a handful of questions. I need to see ...
- College Algebra help please - I need some help with a handful of questions. I ...
- Algebra I - Son brought home a hand made worksheet that teacher did not go over ...
- algebra - 1.)correct 2.)wrong---> the first term is wrong 4(3a^2)^2 = 36a^4 3...
- math - Nakim simplified 3 times the square root of 2x plus x times the square ...
- Math ~CHECK MY ANSWERS~ - 1) Which of these is a rational number? a. Pi b. ...
- Math: Please check - Which radical expression is in simplified form? A.) 11y/3 ...

More Related Questions