Try the following GMAT data sufficiency question on finding roots of algebraic equations.
Question 55:
What is the value of $x$ ?
- (1) $(|x|-2)(x+2)=0$
- (2) $(|x|+2)(x-2)=0$
- Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
- Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
- BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
- EACH statement ALONE is sufficient.
- Statements (1) and (2) TOGETHER are NOT sufficient.
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