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w07
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Quadratic Equation 16 Jul 2005, 07:48
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Okay, I will post without the answer so everyone can practice. (Will post answer later.) I apologize if I don't know the proper area of the forum for this, but I need help understanding how to set this up. So if you could all explain your logic, that would be great.

3x^2 (x-2) - x + 2 , x cannot equal 2
x - 2


Solve for x

When I work this out I get 3x^2(x-2)-x+2 on top, and the answer explanation seems to be able to cancel part of that out, which I don't understand.



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HIMALAYA
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Quadratic Equation 16 Jul 2005, 19:17
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w07,

this expression "[3x^2 (x-2) - x + 2]/(x - 2)" should be in equation form. otherwise value of x cannot be calculated.
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july05
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Quadratic Equation 18 Jul 2005, 04:34
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"[3x^2 (x-2) - x + 2]/(x - 2)"= [3x^2(x-2)-(x-2)]/(x-2)=3x^2-1

does it equal 0?
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Arsene_Wenger
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Quadratic Equation 18 Jul 2005, 13:56
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arrived at (3X^2 - 1)......equation needed.



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Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
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Thank you for understanding, and happy exploring!