Question

1. Check whether the following are quadratic equations A i) 2 -2x = (-2)(3-2) ii) (2x - 1)(x - 3) = (x+5)(x - 1) iii) x2 - 4x²-x+1=(x-2)​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

x

2

+3x+1=(x−2)

2

x

2

+3x+1=x

2

−4x+4

⇒x

2

+3x+1−x

2

+4x−4=0

⇒7x−3=0 has its highest power 1

Hence it is not a quadratic equation.