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WAEC Mathematics 2018 Objective — Question 11

Question 11 of 50 from the West African Examinations Council (WAEC) Mathematics 2018 Objective paper, with the correct answer and a full explanation.

Simplify: (2−18m²)/(1+3m)

A. 2(1+3m)
B. 2(2+3m²)
C. 2(1−3m)Correct
D. 2(1−3m²)

Explanation

2−18m²=2(1−9m²)=2(1−3m)(1+3m); dividing by (1+3m) leaves 2(1−3m).

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