SOLUTION: Solve : x- ( 3 / x ) = 2 a) 1 b) -1 or 3 c) 3 d) -1 e) none of these

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Solve : x- ( 3 / x ) = 2 a) 1 b) -1 or 3 c) 3 d) -1 e) none of these      Log On


   

Question 60911: Solve : x- ( 3 / x ) = 2
a) 1
b) -1 or 3
c) 3
d) -1
e) none of these
Answer by joyofmath(189) About Me  (Show Source):
You can put this solution on YOUR website!
x+-+3%2Fx+=+2
Multiply both sides by x.
Then, x%5E2-3=2x
Subtract 2x from both sides.
Then, x%5E2-2x-3+=+0
This factors to%28x%2B1%29%28x-3%29+=+0
So, x%2B1+=+0 or x-3+=+0
So, x+=+-1 and x+=+3 is the answer, which is b.