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Factorize x\(^2\) + 4x - 192

Mathematics
WAEC 1990

Factorize x\(^2\) + 4x - 192

  • A. (x-4) (x+48)
  • B. (x-48) (x+4)
  • C. (x-12) (x+16)
  • D. (x-12) (x-16)
  • E. (x+12) (x+16)
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Correct Answer: Option C
Explanation

x\(^2\) + 4x - 192

x\(^2\) + 16x - 12x - 192

x(x + 16) - 12(x + 16)

(x + 16)(x - 12)

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