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What is the value of x?

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Manager
Manager
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Joined: 14 Dec 2011
Posts: 61

Kudos [?]: 50 [0], given: 24

GMAT 1: 630 Q48 V29
GMAT 2: 690 Q48 V37
What is the value of x? [#permalink]

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New post 01 Jan 2012, 22:31
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

85% (00:29) correct 15% (00:29) wrong based on 120 sessions

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What is the value of x?

(1) (x + 2)(x + 3) = 0

(2) x^2 + 5x + 6 = 0



I answered that both are sufficient alone...
Statement one tells me that X is -2 and -3
and I can do the same for statement two...why is this not the OA?
[Reveal] Spoiler: OA

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Manager
Manager
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Status: Employed
Joined: 17 Nov 2011
Posts: 98

Kudos [?]: 166 [1], given: 10

Location: Pakistan
Concentration: International Business, Marketing
GMAT 1: 720 Q49 V40
GPA: 3.2
WE: Business Development (Internet and New Media)
Re: What is the value of x? [#permalink]

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New post 02 Jan 2012, 07:50
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You said it yourself mate but u forgot to put an "or" where and is in your calculation. x is unique, we want to find a unique value of x. Both the statements are similar and give the same information. x can either be -2 or -3. It cannot be both and since we cannot decide a unique value for x, even combined, both of them are insufficient. Hence E.
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Kudos [?]: 166 [1], given: 10

Manager
Manager
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Joined: 14 Dec 2011
Posts: 61

Kudos [?]: 50 [0], given: 24

GMAT 1: 630 Q48 V29
GMAT 2: 690 Q48 V37
Re: What is the value of x? [#permalink]

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New post 03 Jan 2012, 01:16
Well, thanks for the answer...but the really should have asked for one special value!

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Senior Manager
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Joined: 12 Oct 2011
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Re: What is the value of x? [#permalink]

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New post 03 Jan 2012, 02:03
E is the answer here.

When the question asks, "What is the value of x?", it is imperative to find ONE AND ONLY ONE value for x.

Statement 1:
x = -2 or x = -3. This gives us two values for x. NOT SUFFICIENT.

Statement 2:
Can be written as (x + 2) (x + 3) = 0
This is the same as statement 1 and for exactly the same reason as above, NOT SUFFICIENT.

Combining the two statements, we still have two possible values for x. thus NOT SUFFICIENT.
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Director
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Re: What is the value of x? [#permalink]

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New post 03 Jan 2012, 02:26
Both give -2 and -3 but we are not sure about the the value of X so the answer is E
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Manager
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Re: What is the value of x? [#permalink]

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New post 07 Jan 2012, 15:42
Princeton! no brainer that its easy...

1. Gives x = -2,-3
2. Same

Both statements same, so can't decide a value for x. E
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Senior Manager
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Re: What is the value of x? [#permalink]

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New post 09 May 2015, 02:13
Impenetrable wrote:
What is the value of x?

(1) (x + 2)(x + 3) = 0

(2) x^2 + 5x + 6 = 0



I answered that both are sufficient alone...
Statement one tells me that X is -2 and -3
and I can do the same for statement two...why is this not the OA?



E it is
As x value donot comes out br unique even after using both choices

Kudos [?]: 71 [0], given: 15

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

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New post 16 Sep 2016, 18:45
E is correct

(1) (x+2)(x+3) =0

x = -2 or -3

INSUFFICIENT

(2) (x^2)+5x+6=0
=(x+2)(x+3)

INSUFFICIENT (for same reason on (1))

Kudos [?]: 25 [0], given: 283

Re: What is the value of x?   [#permalink] 16 Sep 2016, 18:45
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