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4 September, 20:51

Determine the x-intercepts of the quadratic funtion given in factored form f (x) = 4 (2x-1) (3x+5)

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  1. 5 September, 00:08
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    x=1/2, x=-5/3

    Step-by-step explanation:

    The x intercepts are where y = 0

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

    0 = 4 (2x-1) (3x+5)

    Using the zero product property

    2x-1 = 0 and 3x+5 = 0

    2x-1+1 = 0+1 3x+5-5=0-5

    2x=1 3x=-5

    2x/2 = 1/2 3x/3 = -5/3

    x = 1/2 x = - 5/3
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