Check whether the given equation is quadratic equation x2 - 2x = (-2)(3-x)

Given

x2 – 2x = (-2) (3 – x)

By using the formula for (a+b)2 = a2 + 2ab + b2

⇒ x2 – 2x = -6 + 2x

We get,

⇒ x2 – 4x + 6 = 0

Since, the above equation is in the form of ax2 + bx + c = 0

Hence, the given equation is quadratic equation

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