Civil Service Exam Reviewer · Basic Operations · hard
Evaluate: (−2)³ − (−2)² + 6
- 10
- 2
- -18
- -6
Answer
D. -6
Solution
(−2)³ = −8 (odd power keeps the sign); (−2)² = 4. −8 − 4 + 6 = -6.
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