Question

1. Check whether the following are quadratic equations
0 (x+1) - 2x - 3)
()-2x(-2)(3-2)
(im) (x-2)(x + 1) = (x - 1)(x+3) (iv) (x-3(2x+1)+5)
(v) (2x - 1)(x - 3) = (x+3)(x - 1) (vi) +381(x-2)
(vii) (x+2y - 2x - 1)
(viil) -42-x+1 -1 -2)​

Answer 1

Answer:

only 4 and 5 are quadratic equation.