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WAEC Mathematics 2014 Theory — Question 17

Question 17 of 23 from the West African Examinations Council (WAEC) Mathematics 2014 Theory paper, with the correct answer and a full explanation.

10(a). Solve: (x−2)(x−3)=12.

Model answer

Expand: x²−5x+6=12 x²−5x−6=0 (x−6)(x+1)=0 x=6 or x=−1

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