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

Mathematics
JAMB 2003
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: Option A
Explanation
4abx - 2axy - 12b2x + 6bxy = (4abx - 2axy) - (12b2x - 6bxy)
= 2ax(2b - y) -6bx(2b - y)
= (2ax - 6bx)(2b - y)
= 2x(a - 3b)(2b - y)

There is an explanation video available below.

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Explanation Video

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076
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WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076
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