Question

x2 + 3x + 1 = (x - 2)
13 check whether the following are quadratic equations

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Answer 1

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.