Question

Example-2. Check whether the
í (x - 2)2 + 1 - 2x - 3 quadratic equations​

Answer 1

Question - ii) x2 - 2x = (-2)(3 - x)

Answer⇒ x2 - 2x = -6 + 2x  

⇒ x2 - 4x + 6 = 0

It is of the form ax2 + bx + c = 0.

Hence, the given equation is quadratic equation.

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Answer 2

Answer:

(x-2)2+1-2x-3

2x-4+1-2x-3

-4+1-3

-7+1

-6

This is not a quadratic equation because the simple form of a quadratic equation is ax^2+bx+c=0