Posted by **lelani** on Tuesday, January 30, 2007 at 5:56pm.

a^2-2ab-15b^2

a^2-2ab-15b^2 =

(a - b)^2 - 16 b^2 =

[a - b + 4 b]* [a - b - 4b] =

(a + 3b)*(a - 5b)

## Answer this Question

## Related Questions

- factoring completly - can anyone help me with these: 3x2 + 17x + 10 5y8 - 125 a2...
- Please Check My Math Work - a^2 - 2ab - 15b^2 This is what I got: (a-5b)(a+3b) ...
- Polynomials - State whether the following equations are sometimes, always or ...
- college math - combine like terms (simplify) 11/14a - 1/15b + 1/14a - 11/15b ...
- college math - original question 11/14a - 1/15b + 1/14a - 11/15b is this answer ...
- factoring completly - 3x^2 + 17x + 10 5y^8 - 125 a^2 - 2ab - 15b^2 4c^2 - 12c + ...
- algebra - Is this correct? subtract (4a^3+2b^3)-(6a^3+5a^2b-2ab^2+2b^3) answer...
- Algebra - combine like terms (simplify) 11/14a-1/15b+1/14a-11/15b
- Geometry - Which statement is true for the expression 6a + 15b − 4a &#...
- algebra - combine like terms 11/14a-1/15b+1/14a-11/15b