Question

which of the following is a quadratic equations.x square+3x+1=(x-2) square​

Answer 1

Answer:

${ \boxed{ \mathfrak{ {x}^{2} + 3x + 1 \: is \: a \: quadratic \: equation}}}$

Answer 2

Answer:

x² + 3x + 1 is quadratic equation

( x–2)² = x² – 4x + 4 , it is also a quadratic equation .