Question

Which of the following is not a quadratic equation? *

(x + 2)² = 2(x + 3)

x² + 3x = (-1)(1 - 3x)

(x + 2)(x - 1) = x² - 2x - 3

x³ - x² + 2x + 1 = (x + 1)³

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Answer 1

Answer:

(x + 2)(x - 1) = x² - 2x - 3 this is not a quadratic equation

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