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30 October, 05:42

Factor x^2-2x-8=0 to find the solutions to the equation.

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  1. 30 October, 06:01
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    x=4 x=-2

    Step-by-step explanation:

    x^2-2x-8=0

    What 2 numbers multiply to - 8 and add to - 2

    -4*2 = - 8

    -4+2 = - 2

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

    Using the zero product property

    x-4 = 0 x+2 = 0

    x-4+4=0+4 x+2-2=0-2

    x=4 x=-2
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