Posted by **ROCKY** on Monday, July 25, 2011 at 8:37am.

use the "difference of squares" rule to factor the following expression.

x^2-81

- algebra -
**Mithra**, Monday, July 25, 2011 at 11:46am
x^2 - 81

(x - 9)(x + 9)

## Answer This Question

## Related Questions

- algebra - use the "difference of squares" rule to factor the following ...
- algebra - Use the “difference of squares” rule to factor the following ...
- intermediate algebra - Use the difference of squares rule to factor the ...
- math - Use the “difference of squares” rule to factor the following expression ...
- math - Use the “difference of squares” rule to factor the following expression ...
- ALGEBRA - Can someone explain the following to me? 1.How do you factor the ...
- Math - Use common factoring and the difference of two squares to factor each ...
- Algebra - In algebra special products and teh questions says to factor the ...
- Algebra - How can you determine if a polynomial is the difference of two squares...
- algebra - How do you factor the difference of two squares? How do you factor the...

More Related Questions