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9 July, 20:33

Rewrite the equation by completing the square 4x^2 + 28x + 49=0

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  1. 9 July, 23:50
    0
    Answer: - 3.5

    Step-by-step explanation:

    Standard form:

    4x2 + 28x + 49 = 0

    Factorization:

    (2x + 7) 2 = 0

    Answer equation: 2x + 7 = 0 ⇒ x1 = x2 = - 7 over 2 = - 3.5
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