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Factorize completely 9y2 - 16X2

Mathematics
JAMB 2011

Factorize completely 9y2 - 16X2
  • A. (3y - 2x)(3y + 4x)
  • B. (3y + 4x)(3y + 4x)
  • C. (3y + 2x)(3y - 4x)
  • D. (3y - 4x)(3y + 4x)
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Correct Answer: Option D
Explanation
9y2 - 16x2

= 32y2 - 42x2

= (3y - 4x)(3y +4x)

There is an explanation video available below.


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Explanation Video

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