Posted by **Anonymous** on Thursday, December 11, 2008 at 8:20pm.

How would 3x^2-27y^2 be factored completely?

- algebra 2 -
**bobpursley**, Thursday, December 11, 2008 at 8:23pm
isnt it the difference of two squares?

3(x^2-9y^2)=3(x-3y)*(x+3y)

- algebra 2 -
**bobpursley**, Thursday, December 11, 2008 at 8:36pm
Of course. If one technique works to factor a polynomial, it is factored.

## Answer This Question

## Related Questions

- algebra - 6. Vicky factored 30x2 + 76x + 48 as follows: Line 1 30x2 + 76x + 48 ...
- College Algebra - Last one for today! Again would appreciate a breakdown on how...
- Algebra 2 - Well I'm curently taking this class as a sophmore and have taken ...
- Algebra 2 - Can this expression be factored? 4x^2+9 My homework assignment says ...
- Calculus - Find d^2y/dx^2 in terms of x and y given that 8x + 6y^2 = 8. Use the ...
- Algebra 1 - is 3(2y^2-5)(y+1) completely factored
- math- factoring - factor completely 1) 8x^3 + 27y^3 2) u^3 + 125v^3
- math- factoring - factor completely 1) 8x^3 + 27y^3 2) u^3 + 125v^3
- Algebra 3-4 - what is 40x^6-32x^8 factored completely?
- algebra - what is m^3n-11m^2n^2+28mn^3 factored completely

More Related Questions