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28 December, 10:25

What is the missing constant term in the perfect square that starts with x^2+10x?

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  1. 28 December, 10:43
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    + 25

    Step-by-step explanation:

    To complete the square

    add (half the coefficient of the x - term) ²

    the coefficient of the x - term is 5 and 5² = 25, hence

    x² + 10x + 25 = (x + 5) ² ← perfect square
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