Question

1. Check whether the following are quadratic equations :
(i) (x + 1)2 = 2(x-3)
(ii) x² – 2x =(-2) (3 - x)
(ii) (x - 2)(x+1)=(x - 1)(x+3) (iv) (x – 3)(2x +1)= x(x +5)
(v) (2x - 1)(x-3)=(x + 5)(x-1) (vi) x2 + 3x + 1 = (x - 2)2
(vii) (x + 2) = 2x (x - 1)
(viii) x - 4x2 - x + 1 = (x - 2)3
notions​

Answer 1

Answer:

all are quadratic and all are not quadratic

Answer 2

Step-by-step explanation:

1 and 2 I have done and rest I'm doing..