Question

check whether the following are quadratic equation X + 1 square is equals to 2 x minus 3​

Answer 1

$\: \: \: \: \: \: \: \: {(x + 1)}^{2} = 2x + 3 \\ = > {x}^{2} + 2x + 1 = 2x + 3 \\ = > {x}^{2} - 2 = 0.$

Here highest degree of variable x is 2.

implies it's quadratic equation.