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    Daily ChallengeMediumAlgebra

    What is the discriminant of x2+4x+4=0x^{2} + 4x + 4 = 0?

    Qual é o discriminante de x2+4x+4=0x^{2} + 4x + 4 = 0?

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    Solution

    Δ=b2−4ac=16−16=0\Delta = b^{2} - 4ac = 16 - 16 = 0