Question

Which of the following is not a quadratic equation ?
(A) 5x + 2x^2= x^2 + 3

(B) x^3 - x^2 = (x - 1)^3

(C) (x+3)^2 = 3 (x^2 - 5)

(D) (2x + 3)^2 = 2x^2 +5​

Answer 1

Option B is not a quadratic equation.

Answer 2

Answer:

(b) ׳- x² =( x -1)³

hope its help uh