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18 July, 04:17

Determine the solution set of (x + 1) 2 = 25. {-8, 6} {-8, 4} {-6, 4}

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  1. 18 July, 04:33
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    (x + 1) ² = 25 / √

    There are two solutions:

    x + 1 = 5, x = 5 - 1, x = 4

    x + 1 = - 5, x = - 5 - 1, x = - 6

    The solution set is { - 6, 4 }
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