NCERT Example 2(ii) - Quadratic Equations
Question: Check whether the following is a quadratic equation: x(x + 1) + 8 = (x + 2)(x - 2).
Answer: No, x(x + 1) + 8 = (x + 2)(x - 2) is not a quadratic equation.
Full step-by-step NCERT solution with diagrams on Something by Zero.