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24 October, 23:34

What value of c makes x2 + 6x + c a perfect square trinomial?

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  1. 25 October, 02:32
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    9

    Step-by-step explanation:

    x^2 + 6x + c

    Take the coefficient of x

    6

    Divide by 2

    6/2 = 3

    Square it

    3^2 = 9

    That is the value of c required
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