Question

3.Which of the following is not a quadratic equations 3x-x^2 = x^2 +5 (x+2)^2 =2(x^2 -5 ) (2^1/2.x +3)2 = 2x^2 +6 (x-1)^2 = 3x^2 + x -2

Answer 1

Answer:

3x-x^2, 2(x^2-5)(2^1/2.x+3)2,3x^2+x-2 : are not quadratic equations