Question

Which of the following is a quadratic
equation?
(1). x³ - x² = (x- 1)³ (2).
2x²+ 3 = (5
+ x)(2x - 3)
(3). (x²+1) = (2
- x)² + 3
(4). None of
these​

Answer 1

Answer:

correct answer is 1 at x³- x² = (x-1)³

Answer 2

Answer:

correct answer is option (B)