Question

which one is not a quadratic equation (1) 2(x-1)2 = 4x -2x +1 (2) 2x -x=x+5 (3) √2c+√3)2+x= 3x-5x (4) )(x+2x)2 =x+3(4x plzz tell the answer​

Answer 1

Answer:

(2) is not a quadratic equation