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Solve the equation (x - 2) (x - 3) = 12

Mathematics
JAMB 1991

Solve the equation (x - 2) (x - 3) = 12

  • A. 2, 3
  • B. 3, 6
  • C. -1, 6
  • D. 1, -6
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Correct Answer: Option C
Explanation

(x - 2) (x - 3) = 12

x\(^2\) - 3x - 2x + 6 = 12

x\(^2\) - 5x - 6 = 0

(x +1)(x - 6) = 0

x = -1 or 6

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