3x^2

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kaf: Senior | Next Rank: 100 Posts; Posts: 53; Joined: Mon Feb 09, 2009 12:18 am; Thanked: 1 times

by kaf » Thu Mar 26, 2009 6:00 am

Can someone please solve this solution

If x != 2, then 3x^2(x-2) - x + 2 / x-2 =

A. 3x^2 - x + 2
B. 3x^2 + 1
C. 3x^2
D. 3x^2 - 1
3x^2 - 2

note != means not equall to

thanks

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Source: Beat The GMAT — Problem Solving | Thu Mar 26, 2009 6:00 am

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Re: 3x^2

by Brent@GMATPrepNow » Fri Mar 27, 2009 6:29 am

kaf wrote:Can someone please solve this solution

If x != 2, then 3x^2(x-2) - x + 2 / x-2 =

A. 3x^2 - x + 2
B. 3x^2 + 1
C. 3x^2
D. 3x^2 - 1
3x^2 - 2

note != means not equall to

thanks

This one was covered a few days ago: https://www.beatthegmat.com/tricky-algeb ... tml#135769

Brent Hanneson - Creator of GMATPrepNow.com

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Vemuri: Legendary Member; Posts: 682; Joined: Fri Jan 16, 2009 2:40 amFollowed by: 1 member; Thanked: 32 times

Is the question asking (3x^2(x-2) - x + 2)/(x-2) = ?

The brackets make a huge difference while solving. When I saw your question, I thought the it is asking 3x^2(x-2) - x + 2/(x-2) = ?

There is a huge difference between the above 2 statements.

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