If \(2x^2 + kx – 14 = (x+2)(2x-7)\), find the value of K

Mathematics WAEC 2001

If \(2x^2 + kx – 14 = (x+2)(2x-7)\), find the value of K

  • -3 checkmark
  • 5
  • 9
  • 11

The correct answer is: A

Explanation

\(2x^2 + kx - 14 = (x+2)(2x-7)\\
∴2x^2 + kx - 14 = 2x^2 - 3x - 14\)
equating coefficient K = -3
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