Mathematics · Quadratic Equations
Which of the following is NOT a quadratic equation?
- 1(x - 2)2 + 1 = 2x - 3
- 2x(x + 1) + 8 = (x + 2)(x - 2)✓
- 3x(2x + 3) = x2 + 1
- 4(x + 2)3 = x3 - 4
Correct answer
x(x + 1) + 8 = (x + 2)(x - 2)
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