Find the equation whose roots are -8 and 5

  • A \(x^2 + 13x + 40=0\)
  • B \(x^2 - 13x - 40=0\)
  • C \(x^2 - 3x +40=0\)
  • D \(x^2 + 3x - 40=0\)
waec 2000mathematics

The correct answer is D. \(x^2 + 3x - 40=0\)

Equation with roots -8 and 5: (x + 8)(x - 5) = 0

\(x^2 - 5x + 8x - 40 = 0\)

\(x^2 + 3x - 40 = 0\)

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