BECE Mathematics 2023 Objective — Question 78
Question 78 of 120 from the Basic Education Certificate Examination (Junior WAEC) (BECE) Mathematics 2023 Objective paper, with the correct answer and a full explanation.
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Simplify (x² − 1) − (x + 2)².
- A. −(4x − 5)
- B. 3x + 4
- C. 4x + 1
- D. −(4x + 5)Correct
- E. 5x + 3
Explanation
x² − 1 − (x² + 4x + 4) = −4x − 5 = −(4x + 5).
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