Mathematics
Grade10
Easy

Question

_______ is a factor of 4x- 9x + 5.

  1. x - 10
  2. x - 4
  3. x - 1
  4. x - 3

The correct answer is: x - 1



    4x2 -9x +5
    = 4x2 -4x -5x +5
    = 4x(x-1) -5(x-1)
    = (4x -5)(x-1)
    (x-1) is a factor of 4x2 - 9x + 5.

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