Question

Which is not a quadratic equation ?
(a) (x + 1)2 = 2(x – 3)
(c) (x - 2) (x + 1) = (x - 1)(x + 3)
(d) (x - 3)(2x + 1) = x(x + 5)
(b) r2 - 2x = (-2)(3 - x)​

Answer 1

Bro first of all you should to arrange your options according to alphabet......

Answer:

a and c are not quadratic equation...