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

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If x(x - 5)(x + 2) = 0, is x negative? (1) x2 7x ? 0 [#permalink] New post 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
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Joined: 28 Jun 2007
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 [#permalink] New post 22 Jul 2007, 21:40
Ans : C

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

so x has to be -2.
  [#permalink] 22 Jul 2007, 21:40
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If x(x - 5)(x + 2) = 0, is x negative? (1) x2 7x ? 0

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