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MATHEMATICS

JAMB 2003 - Question 20

Mathematics 2003 JAMB Past Questions - Question 20: Factorize completely 4abx – 2axy – 12b²x + 6bxy

Factorize completely 4abx – 2axy – 12b²x + 6bxy

A: 2x(a-3b)(2b-y)

B: 2x(3b-a)(2b-y)

C: 2x(a-3b)(y-2b)

D: 2x(2b-a)(3b-y)

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Correct Answer

Explanation

4abx - 2axy - 12b2x + 6bxy = (4abx - 2axy) - (12b2x - 6bxy)= 2ax(2b - y) -6bx(2b - y)= (2ax - 6bx)(2b - y)= 2x(a - 3b)(2b - y)