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WAEC Mathematics 2024 Objective — Question 5

Question 5 of 50 from the West African Examinations Council (WAEC) Mathematics 2024 Objective paper, with the correct answer and a full explanation.

5. Simplify: (2p - q)² - (p + q)²

A. 3p(p - 2q)Correct
B. 2p(p - 3q)
C. 3p(2p - q)
D. 2p(3p - q)

Explanation

Expand: 4p²-4pq+q² - (p²+2pq+q²) = 3p²-6pq = 3p(p-2q).

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