Question

which of the following is not a quadratic equation
1. x^ 2-2x=[-2][3-x]
2.x^3-4x^2-x+1=[x-2]^3
3.x^2+3x+1=[x-2]^2
4.x^2+1=x[1-x]​

Answer 1

Answer:

4

Step-by-step explanation:

is the correct option

I hope it will help you.......

GM.

Answer 2

Answer:

4

Step-by-step explanation:

it is the correct answer hope it helps