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20 February, 11:43

Which of the following equations is quadratic?

1. x (x2 + 1) = 0

2. 5 (4x + 2) = 3

3. (x + 3) (x + 4) = 5

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Answers (1)
  1. 20 February, 12:09
    0
    Hello

    The quadratic equation is the second one

    Have a nice day
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