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# GREPre Club Test - x^3 -9x^2 + 26x - 24 = 0

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Joined: 31 Dec 2016
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GREPre Club Test - x^3 -9x^2 + 26x - 24 = 0 [#permalink]  02 Jan 2017, 05:31
for the following that was a question in the 2nd GRE Prep Club tests

$$x^3 -9x^2 + 26x - 24 = 0$$

I am having trouble figuring out how the roots are: (x-2) (x-3) & (x-4)

I need help how to break down a complex quadratic equation
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Joined: 07 Jun 2014
Posts: 4810
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
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Re: GREPre Club Test - x^3 -9x^2 + 26x - 24 = 0 [#permalink]  02 Jan 2017, 16:04
Expert's post
Springer wrote:
for the following that was a question in the 2nd GRE Prep Club tests

$$x^3 -9x^2 + 26x - 24 = 0$$

I am having trouble figuring out how the roots are: (x-2) (x-3) & (x-4)

I need help how to break down a complex quadratic equation

Hey,

You don't solve the expression. You plug the values given in the options. Solving this equation is not necessary for answering.

Regards
_________________

Sandy
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Re: GREPre Club Test - x^3 -9x^2 + 26x - 24 = 0   [#permalink] 02 Jan 2017, 16:04
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