Monday

July 28, 2014

July 28, 2014

Posted by **kasey** on Sunday, August 28, 2011 at 5:50pm.

(x+9) (x-9)

can you show and explain the steps

- Algebra -
**PsyDAG**, Monday, August 29, 2011 at 11:30am+9 * -9 = -81

x * -9 = -9x

x * 9 = 9x

x *x = x^2

9x-9x = 0

Answer: x^2 - 81

**Related Questions**

Math - Expand the following binomials to look for patterns when expanding ...

Algebra 2 - Two days ago "Steve" helped me with this problem. I am grateful to ...

algebra - Solve the following equation: k2 + 4k = 0 By factoring and By using ...

Algebra - Find two binomials whose product is x^2 - 6x + 9 and explain how you ...

Algebra - Quadratic formula x^2+6x+8-0 (solve by factoring) (second Problem) 5w^...

Algebra - Steps to factoring this x^3 - 8 ? I'm only used to factoring out the x...

Factoring - x2(squared)-4x+4 I would factor this into (X - 2)(X - 2) If you don'...

Alg I - Factoring ax^2 + bx + c Find two different values that complete each ...

algebra - multiply and simplify by factoring. Assume that all expressions under ...

Algebra - If x^2+bx+c is factorable and c is negative, then the signs of the ...