BECE Mathematics 2025 Objective — Question 72
Question 72 of 120 from the Basic Education Certificate Examination (Junior WAEC) (BECE) Mathematics 2025 Objective paper, with the correct answer and a full explanation.
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What are the factors of 15 − 2a − a²?
- A. (15 − 3a)(5a − a)
- B. (15 + a)(3 + a)
- C. (5 + a)(3 − a)Correct
- D. (5 − a)(3 + a)
Explanation
15−2a−a² = −(a²+2a−15) = −(a+5)(a−3) = (5+a)(3−a).
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