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15 January, 17:10

Which of the following are solutions to the equation below 4x^2+20x+25=49

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Answers (2)
  1. 15 January, 17:14
    0
    x = - 6 and x = 1
  2. 15 January, 17:15
    0
    (2x + 5) ^2 = 4

    2x+5=2

    2x=-3

    X=-3/2
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