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Solve the equation x\(^2\) - 2x - 3 = 0

Mathematics
WAEC 1993

Solve the equation x\(^2\) - 2x - 3 = 0

  • A. (-3, 1)
  • B. (-1, -3)
  • C. (3,1)
  • D. (43, 0)
  • E. (-1, 3).
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Correct Answer: Option E
Explanation

x\(^2\) - 2x - 3 = 0

x\(^2\) - 3x + x - 3 = 0

x(x - 3) + 1(x - 3) = 0

(x + 1)(x - 3) = 0

x = (-1, 3)

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