SOLUTION: 7/x^2-x-2 + 1/x+1 = 3/x-2

Algebra ->  Equations -> SOLUTION: 7/x^2-x-2 + 1/x+1 = 3/x-2      Log On


   

Question 375290: 7/x^2-x-2 + 1/x+1 = 3/x-2
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
%287%2F%28x%5E2-x-2%29%29+%2B+%281%2F%28x%2B1%29%29+=+%283%2F%28x-2%29%29
...
%287%2F%28x-2%29%28x%2B1%29%29+%2B+%281%2F%28x%2B1%29%29-%283%2F%28x-2%29%29=0
...
LCD = (x-2)(x+1)
...
%287+%2B1%2A%28x-2%29-3%28x%2B1%29%29%2F%28%28x-2%29%28x%2B1%29%29=0
...
%287%2Bx-2-3x-3%29%2F%28%28x-2%29%28x%2B1%29%29=0
...
%28-2x%2B2%29%2F%28%28x-2%29%28x%2B1%29%29=0
...
multiply by (x-2)(x+1)
..
-2x+2=0
2x=2
/2
x=1
...
m.ananth@hotmail.ca