Question

Is (x + 1)2 = 2(2-3) a quadratic aluation ?​

Answer 1

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

Hence, it is a quadratic equation.