SOLUTION: What is the lowest common denominator of: 3/10x+10 and x/5x^2-5? Please help me!!! I have no clue what to do!!! Thanks! :)

Algebra ->  Exponents -> SOLUTION: What is the lowest common denominator of: 3/10x+10 and x/5x^2-5? Please help me!!! I have no clue what to do!!! Thanks! :)      Log On


   



Question 353306: What is the lowest common denominator of:
3/10x+10 and x/5x^2-5?
Please help me!!! I have no clue what to do!!! Thanks! :)

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
What is the lowest common denominator of:
3/10x+10 and x/5x^2-5?
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Factor each denominator:
[3/(10(x+1)] and [x/(5(x-1)(x+1))]
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lcm = 10(x-1)(x+1)
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Rewrite each fraction with the lcm as its denominator:
(3(x-1))/lcm and (2x)/lcm
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Cheers,
Stan H.