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21 October, 21:20

Which is a solution to the equation?

(x - 3) (x - 5) = 35

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  1. 21 October, 21:30
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    [x - 3] [x - 5] = 35

    Multiply [x - 5] by [x - 3]

    x^2 - 5x - 3x + 15 = 35

    x^2 - 8x + 15 = 35

    x^2 - 8x = 35 - 15

    x^2 - 8x = 20

    x^2 - 8x - 20 = 0

    Using quadratic formula to solve for x;

    X = 10.
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