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Mathematics, 20.04.2020 20:14 JordanFlores2554

Which of the following equations have only one solution? Select all correct answers
x²-x-6=0
5x^2 + 20 x + 20 = 0
9x^2 - 25 = 0
4x^2 + 4 x = 0
x^2 + 6 x + 9 = 0

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Which of the following equations have only one solution? Select all correct answers
x²-x-6=0
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