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15 March, 17:55

The square below has an area of 16 + 8x + x^2 square meters. What expression represents the length of one side of the square?

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  1. 15 March, 20:21
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    x+4

    Step-by-step explanation:

    x² + 8x² + 16 = x² + 2*4x + 4² = (x+4) ²

    Area of a square = side²

    So, the length of one side of the given square is (x+4).
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