Question

check if it is a quadratic equation
${x}^{2} + 3x + 1 = (x - 2) {}^{2}$

Answer 1

x^2 + 3x + 1 = x^2 + 4 - 4x

7x = 3

it is not quardatic equation

bcz it is not in this for  (ax^2 + bx +c = 0)