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9 February, 05:44

Which are solutions of the equation 4x2 - 7x = 3x + 24? Check all that apply.

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  1. 9 February, 06:08
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    x=4 x = - 3/2

    Step-by-step explanation:

    4x^2 - 7x = 3x + 24

    Subtract 3x from each side

    4x^2 - 7x-3x = 3x-3x + 24

    4x^2 - 10x = 24

    Subtract 24 from each side

    4x^2 - 10 - 24 = 24 - 24

    4x^2 - 10x-24=0

    Divide each side by 2

    4/2x^2 - 10/2x-24/2=0

    2x^2-5x-12=0

    Factor

    (x - 4) (2 x + 3) = 0

    Using the zero product property

    x-4 = 0 2x+3 = 0

    x=4 2x = - 3

    x=4 x = - 3/2
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