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5 March, 01:18

Which value must be added to the expression x2 + x to make it a perfect-square trinomial?

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  1. 5 March, 02:00
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    X² + x + ... m

    x² + x + 1/4

    //x² = x

    / / (1/4) = 1/2

    2*x*1/2 = 2x/2 = x

    x² + x/2 + 1/4
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