Question

Which one of the following is not a quadratic equation?

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

i) (x + 2)2 = 2(x - 3)

⇒ x2 + 2x + 1 = 2x - 6

⇒ x2 + 7 = 0

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

Hence, the given equation is quadratic equation.

Step-by-step explanation:

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