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31 August, 22:14

Atraeus is solving the quadratic equation by completing the square. 7x^2 - 14x + 6 = 0 7x^2 - 14x = - 6 A (x^2 - 2x) = - 6 What is the value of A?

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  1. 31 August, 22:26
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    Hello,

    A=7

    Indeed

    A (x²-2x) = - 6

    7x²-14x=-6

    ==>A=7 and - 14=-2A==>A=7
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