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16 May, 10:14

What number must be added to the expression below to complete the square x^2+3x

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  1. 16 May, 10:33
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    9/4

    Step-by-step explanation:

    x^2+3x

    Take the coefficient of the x term, 3

    Then divide by 2, 3/2

    Then square it (3/2) ^ = 9/4

    This is what you need to add to complete the square
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