• Group:
• GMAT
• Topic:
• GMAT Question of the Day
• Posted by:
• Valerie M.

If x^2 - 9 = 0 and x < 0, which of the following must be equal to 0 ?
(A) x^2 - 9x
(B) x^2 - 9x + 20
(C) x^2 - 2x + 3
(D) x^2 + 2x - 3
(E) x^2 + 5x + 6
 

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