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8 May, 21:07

Solve the equation 2x^2-7x=9

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Answers (2)
  1. 9 May, 00:07
    0
    Minus 9 from both sides

    2x^2-7x-9=0

    factor

    (2x-9) (x+1) = 0

    set each to zero

    2x-9=0

    2x=9

    x=9/2

    x+1=0

    x=-1

    x=9/2 and - 1
  2. 9 May, 00:27
    0
    X=-1, 9/2 Decimal Form: - 1, 4.5
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