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Factorize x2 - 2x - 3xy completely

Mathematics
WAEC 2009

Factorize x2 - 2x - 3xy completely
  • A. (x - 2)(3x - y)
  • B. (x - 3y)(x - 2)
  • C. (x - 3y)(x - 3y)
  • D. (3x + y)(x - 2)
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Correct Answer: Option B
Explanation
x2 - 2x - 3xy + 6y = x(x - 2) -3y(x - 2)

= (x - 3y)(x - 2)

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