SOLUTION: How would you write this rational expression in lowest terms? 5x-10/20-10x

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Question 125992: How would you write this rational expression in lowest terms?
5x-10/20-10x
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Simplify:
%285x-10%29%2F%2820-10x%29 Rewrite the denominator.
%285x-10%29%2F%28-%2810x-20%29%29 Factor a 5 in the numerator and a 10 in the denominator.
5cross%28%28x-2%29%29%2F%28-10cross%28%28x-2%29%29%29 Cancel the indicated factors.
5%2F-10+=+-1%2F2, so...
%285x-10%29%2F%2820-10x%29+=+-1%2F2