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What is the value of x?

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What is the value of x? [#permalink]

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What is the value of x?

Statement #1: \((x^2+3)^2 - 11(x^2+3) + 28 = 0\)

Statement #2: \(x^2 + x - 2 = 0\)

For more discussion about simplifying complex expressions, such as those found in Statement #1, as well as a full solution of this DS, please see:
http://magoosh.com/gmat/2013/simplifyin ... -the-gmat/

Mike :-)
[Reveal] Spoiler: OA

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Re: What is the value of x? [#permalink]

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Re: What is the value of x? [#permalink]

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New post 11 Feb 2013, 19:29
Statement #1: Reduces to (x^4 -1)(x^2-1) = 0 Since we have multiple values for x insufficient.
Statement #2: Reduces to (x+2)(x-1) = 0. Again multiple values insufficient.

Combined statements also leave you with multiple values of x.

Answer: E
Re: What is the value of x?   [#permalink] 11 Feb 2013, 19:29
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