Question

Check whether the following are quadratic
equation:
1. (x - 2)2 + 1 = 2x - 3
2.(x + 1) + 8 = (x + 2) (x – 2)
3. (2x + 3) = x2 + 1
4. (x + 2)3 = x3 – 4.​

Answer 1

Answer:

2,3 are the Quadratic equations ok

Hope it helps you