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 Post subject: Data Sufficiency: quadratic equations, number theory
PostPosted: Tue Feb 21, 2012 6:49 pm 
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Joined: Tue Feb 21, 2012 5:38 pm
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What is the value of x?

1) x² – 5x + 4 = 0
2) x is not prime


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 Post subject: Re: Data Sufficiency
PostPosted: Sat Feb 25, 2012 6:31 am 
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Start by solving the quadratic equation in statement (1).


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