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JAMB Mathematics 2015 Objective — Question 38

Question 38 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2015 Objective paper, with the correct answer and a full explanation.

Factorize ax − by − ay + bx.

A. (a−b)(x−y)
B. (a+b)(y−x)
C. (a−b)(x+y)
D. (a+b)(x−y)Correct

Explanation

ax−by−ay+bx = x(a+b) − y(a+b) = (a+b)(x−y).

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