SOLUTION: x - 9/x _______ 1 + 3/x Express in Simplest Form

Algebra ->  Trigonometry-basics -> SOLUTION: x - 9/x _______ 1 + 3/x Express in Simplest Form      Log On


   

Question 718162: x - 9/x
_______
1 + 3/x
Express in Simplest Form
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
x - 9/x
_______
1 + 3/x
[(X^2-9)/X]/[(X+3)/X] INVERT & MULTIPLY.
[(X+3)(X-3)/X]/[{X+3}/X]
[(X+3)(X-3)]/X CANCEL OUT THE X & (X+3) TERMS.
(X-3) ANS.