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19 July, 11:41

Solve the quadratic equation 3x² + 2x-4=0

Give your answers to 2 decimal places.

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Answers (2)
  1. 19 July, 11:47
    0
    Answer:.8685
  2. 19 July, 11:55
    0
    3x² + 2x - 4 = 0

    Δ = b² - 4. a. c

    Δ = 2² - 4. 3. - 4

    Δ = 4 - 4. 3. - 4

    Δ = 52

    x = (-b + - √Δ) / 2a

    x' = (-2 + √52) / 2.3

    x'' = (-2 - √52) / 2.3

    x' = 0,8685170918213297

    x'' = - 1,5351837584879966

    2 Decimal places

    x' = 0,87

    x'' = - 1,54
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