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# If x(x - 5)(x + 2) = 0, is x negative? (1) x2 7x ? 0

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Manager
Joined: 30 Jan 2006
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If x(x - 5)(x + 2) = 0, is x negative? (1) x2 7x ? 0 [#permalink]

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22 Jul 2007, 21:17
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If x(x - 5)(x + 2) = 0, is x negative?
(1) x2 – 7x ≠ 0
(2) x2 –2x –15 ≠ 0
A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
3
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is
sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.
Senior Manager
Joined: 28 Jun 2007
Posts: 462
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22 Jul 2007, 21:40
Ans : C

1 says x != 0
2 says x != 5

so x has to be -2.
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