B BB New member Joined Jun 7, 2007 Messages 14 Jun 8, 2007 #1 This is the last propblem that i have done but not sure if accurate x/x+2 + 1/x-1 = 1 (x+2) (x-1) (x/x+2 + 1/x-1) = 1/1 x+1/1 = x thank you
This is the last propblem that i have done but not sure if accurate x/x+2 + 1/x-1 = 1 (x+2) (x-1) (x/x+2 + 1/x-1) = 1/1 x+1/1 = x thank you
skeeter Elite Member Joined Dec 15, 2005 Messages 3,204 Jun 8, 2007 #2 x/(x+2) + 1/(x-1) = 1 multiply every term by (x+2)(x-1) ... x(x+2)(x-1)/(x+2) + (x+2)(x-1)/(x-1) = (x+2)(x-1) x(x-1) + (x+2) = (x+2)(x-1) x<sup>2</sup> - x + x + 2 = x<sup>2</sup> + x - 2 2 = x - 2 4 = x
x/(x+2) + 1/(x-1) = 1 multiply every term by (x+2)(x-1) ... x(x+2)(x-1)/(x+2) + (x+2)(x-1)/(x-1) = (x+2)(x-1) x(x-1) + (x+2) = (x+2)(x-1) x<sup>2</sup> - x + x + 2 = x<sup>2</sup> + x - 2 2 = x - 2 4 = x
B BB New member Joined Jun 7, 2007 Messages 14 Jun 8, 2007 #3 addition Skeeter thanks appreciate the help