SOLUTION: x^2-6x+9-4y^2 I need to factor this problem...I think it is prime o.O Is it? I'm not sure :/ I tried grouping, but it doesn't work. T_T please and thank you :)

Algebra ->  Exponents -> SOLUTION: x^2-6x+9-4y^2 I need to factor this problem...I think it is prime o.O Is it? I'm not sure :/ I tried grouping, but it doesn't work. T_T please and thank you :)      Log On


   

Question 294068: x^2-6x+9-4y^2
I need to factor this problem...I think it is prime o.O Is it? I'm not sure :/ I tried grouping, but it doesn't work. T_T please and thank you :)
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
sort of grouping...

(x^2 - 6x + 9) - 4y^2

factoring ___ (x - 3)^2 - 4y^2 ___ this is the difference of squares

(x - 3 + 2y) (x - 3 - 2y)