Question

which of the following is a quadratic equations?

1) 5/x -3=x²
2) x (x+5)=2.
3) n-1 = 2n
4) x+2/x²=n​

Answer 1

Answer:

2, 3 is the right answers. hope it helps you please Follow me and mark me as brainlist

Answer 2

Answer:

option 2 and 3 are right ..

Step-by-step explanation:

by ax^2+bx+c ..