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11 September, 08:46

1.) What is the only solution of 2x^2 + 8x = x^2 - 16?

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  1. 11 September, 12:30
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    If you would like to solve the equation 2 * x^2 + 8 * x = x^2 - 16, you can calculate this using the following steps:

    2 * x^2 + 8 * x = x^2 - 16

    2 * x^2 - x^2 + 8 * x + 16 = 0

    x^2 + 8 * x + 16 = 0

    (x + 4) * (x + 4) = 0

    x = - 4

    The correct result would be x = - 4.
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