Simplify: (x + 3)(x − 3).
Ax² + 9
Bx² − 3x
Cx² − 9
Dx² + 3x
Answer & Solution
Correct answer: C. x² − 9
1. Difference of squares: x² − 9.
_Source: 501-GMAT-Questions Section 4 / Manhattan Quant Bank_
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