I'm having a lotta trouble with this one...3x^2 - 27 = 0 can anyone help me??
T Third Degree New member Joined Dec 4, 2006 Messages 7 Dec 6, 2006 #1 I'm having a lotta trouble with this one...3x^2 - 27 = 0 can anyone help me??
M mts New member Joined Dec 1, 2006 Messages 11 Dec 6, 2006 #2 3x^2 -27 =0 3(x^2 - 9) = 0 3(x^2 - 3^2) = 0 Now factor using the difference of two squares.
D Denis Senior Member Joined Feb 17, 2004 Messages 1,707 Dec 6, 2006 #3 Re: Solve 3x^2 -27=0 by factoring Third Degree said: I'm having a lotta trouble with this one...3x^2 -27 =0 can anyone help me?? Click to expand... Not sure why you're going at it that way, mts; keep it simple; divide by 3: x^2 - 9 = 0 (x - 3)(x + 3) = 0 Now what does x equal?
Re: Solve 3x^2 -27=0 by factoring Third Degree said: I'm having a lotta trouble with this one...3x^2 -27 =0 can anyone help me?? Click to expand... Not sure why you're going at it that way, mts; keep it simple; divide by 3: x^2 - 9 = 0 (x - 3)(x + 3) = 0 Now what does x equal?
