Question

1) check whether
(x+2)2 = x3 - 4
a quadratic eq or not​

Answer 1

Answer:

No , this is not a quadratic equation..

Step-by-step explanation:

(x+2)2 = 3x-4

(2x+4) =3x-4

4 - 4 = 3x- 2x

0 = x

hence it is not quadratic equation.

Answer 2

Answer:

(x+2)2=x3-4

2x+4=3x-4

2x-3x =-4 -4

-x=-8

x=8