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26 October, 08:30

The binomial (2x+9) is a factor of a quadratic expression 14x^2+57x-27 what is the other factor of the expression

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Answers (1)
  1. 26 October, 09:34
    0
    Input:

    14 x^2 + 57 x - 27

    Plots:

    Geometric figure:

    parabola

    Alternate forms:

    (7 x - 3) (2 x + 9)

    x (14 x + 57) - 27

    14 (x + 57/28) ^2 - 4761/56

    Roots:

    x = - 9/2

    x = 3/7

    Polynomial discriminant:

    Δ = 4761

    Properties as a real function:

    Domain

    R (all real numbers)

    Range

    {y element R : y>=-4761/56}

    Derivative:

    d/dx (14 x^2 + 57 x - 27) = 28 x + 57

    Indefinite integral:

    integral (-27 + 57 x + 14 x^2) dx = (14 x^3) / 3 + (57 x^2) / 2 - 27 x + constant

    Global minimum:

    min{14 x^2 + 57 x - 27} = - 4761/56 at x = - 57/28

    Definite integral:

    integral_ (-9/2) ^ (3/7) (-27 + 57 x + 14 x^2) dx = - 109503/392≈-279.344

    Definite integral area below the axis between the smallest and largest real roots:

    integral_ (-9/2) ^ (3/7) (-27 + 57 x + 14 x^2) θ (27 - 57 x - 14 x^2) dx = - 109503/392≈-279.344
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