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31 March, 06:23

Which of the following is not a quadratic equation

(a) x² + 3x - 5 = 0

(b) x² + x3 + 2 = 0

(c) 3 + x + x² = 0

(d) x² - 9 = 0

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Answers (1)
  1. 31 March, 10:03
    0
    C

    Step-by-step explanation:

    A is a quadratic equation, C is a quadratic equation and D is a quadratic equation, so B must not be a quadratic equation
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