Question

Which of the following is not quadratic equation?

who's option is correct

A. x(2x + 3) = x^2+ 1

B. x(x + 1) + 8 = (x + 2) (x – 2)

C. (x+2)^3=x^3-4

D. (x–2)^2+ 1 = 2x -3

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Answer 1

Answer:

B is not a quadratic equation