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6 July, 15:48

Find all values of

x such that 2x^2 + 9x - 5=0

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Answers (1)
  1. 6 July, 16:25
    0
    You can either factor or use the quadratic equation.

    Factor:

    2x^2 + 9x - 5 = 0

    x^2 + 9x - 10

    (x - 1) (x + 10)

    x = 1; x = - 10
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