WAEC Mathematics 2015 Objective — Question 8
Question 8 of 50 from the West African Examinations Council (WAEC) Mathematics 2015 Objective paper, with the correct answer and a full explanation.
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Factorize completely: 6ax−12by−9ay+8bx.
- A. (2a−3b)(4x+3y)
- B. (3a+4b)(2x−3y)
- C. (3a−4b)(2x+3y)Correct
- D. (2a+3b)(4x−3y)
Explanation
Grouping and factoring: 6ax−9ay+8bx−12by = 3a(2x−3y)+4b(2x−3y) = (3a−4b)(2x+3y).
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