Mathematics
Grade-11
Easy

Question

What are the solutions to a an equation that factors to (2x - 9) (3x - 9)?

  1. 3
  2. -3
  3.  9 over 2
  4.  negative 9 over 2

The correct answers are: 3, 9 over 2


    We can solve each factor by setting it equal to 0.
    (2x - 9)(3x - 9) = 0
    2x - 9 = 0
    2x = 9
    x = 9 over 2
    3x - 9 = 0
    3x = 9
    x = 3
    The solutions are x = 9 over 2, 3

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