Question

Which of the following equations is quadratic ? *

1. x2 + 2x + 11 = 0

2. x2 - 2x + 5 = x2

3. (x + 2)2 = 2x3

4. 2x - 5 = 0

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Answer 1

Step-by-step explanation:

I think it's second

hope it is helpful

Answer 2

Answer:

1 and 2 are quadratic equations