Question 207515: Simplify
1/(3 + x) - 1/3 all over x
Answer by RAY100(1637) (Show Source):
You can put this solution on YOUR website! { 1/(3+x) -1/3} /x,,,,,invert and multiply
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{1/(3+x) -1/3} * 1/x
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find LCD and simplify
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[ {3-(3+x)}/ 3(3+x) ] * 1/x
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[ { -x/(9+3x)} ] * 1/x
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-1/(9+3x)
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check,,,let x=2,,,both answer and original = -1/15,,,,ok
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