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7 August, 23:49

B^2-4ac would equal: y=2x^2-x-3

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Answers (2)
  1. 8 August, 00:03
    0
    25

    Step-by-step explanation:

    In this equation, ax^2+bx+c, b = - 1, a = 2, and c = - 3. Solving, (-1) ^2 - 4 (2) (-3) = 1 - (-24), or 25.
  2. 8 August, 03:13
    0
    25

    Step-by-step explanation:

    y = 2x² - x - 3

    A = 2, B = - 1, C = - 3

    B² - 4AC

    (-1) ² - 4 (2) (-3)

    1 + 24

    25
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