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Manager
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Find X [#permalink] New post 10 May 2010, 13:32
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Please show me the steps to find x

3x+x\sqrt{3} =3+3\sqrt{3}

The answer is x=\sqrt{3} but I need to see the manipulation to get the answer..

Thanks
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Status: Nothing comes easy: neither do I want.
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Re: Find X [#permalink] New post 10 May 2010, 13:52
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agnok wrote:
Please show me the steps to find x

3x+x\sqrt{3} =3+3\sqrt{3}

The answer is x=\sqrt{3} but I need to see the manipulation to get the answer..

Thanks


3x + x\sqrt{3} = 3+ 3\sqrt{3}

x(3 + \sqrt{3}) = 3(1 + \sqrt{3})

x = 3*(1 + \sqrt{3})/(3 + \sqrt{3})

x = 3(1 + \sqrt{3})/\sqrt{3}(1 + \sqrt{3})

hence x = \sqrt{3}

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Re: Find X [#permalink] New post 14 May 2010, 01:10
i think x\sqrt{3} should not be written like this ..it creates confusion because someone might think "\" is division ...
Re: Find X   [#permalink] 14 May 2010, 01:10
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