JSCE Mathematics 2024 Objective — Question 72
Question 72 of 80 from the Junior Secondary Certificate Examination (JSCE) Mathematics 2024 Objective paper, with the correct answer and a full explanation.
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Factorise x^2 - 2x - 35 and find its value at x = -2.
- A. -30
- B. -28
- C. -27Correct
- D. -26
Explanation
x^2 - 2x - 35 = (x - 7)(x + 5). At x = -2: (-9)(3) = -27.
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