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26 January, 04:44

What number must be added to the expression below to complete the square? x2+x

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  1. 26 January, 04:54
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    answer is 1/4

    Step-by-step explanation:

    proof is (x-1/2) ² = x²-2*1/2*x+1/4 = x²-x+1/4
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