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9 July, 19:00

Give the values a, b, and c needed to write the equations standard form. 2/3 (x-4) (x+5) = 1

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  1. 9 July, 19:16
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    The standard form of the quadratic equation is given by:

    ax ^ 2 + bx + c

    What we must do in this case is to rewrite the given equation.

    We have then:

    2/3 (x-4) (x + 5) = 1

    (x-4) (x + 5) = 3/2

    (x ^ 2 + 5x-4x-20) = 3/2

    2x ^ 2 + 2x-40 = 3

    2x ^ 2 + 2x-43 = 0

    Thus, the values of a, b and c are:

    a = 2

    b = 2

    c = - 43

    Answer:

    a = 2

    b = 2

    c = - 43
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