Question

Check whether the following
are quadratic equations!
1. x(x+1)+8= (x+2)(2-2)
2. x(2x+3)=x²+1
3.(x + 2)³= x ³ - 4​

Answer 1

Answer:

1. all these equqtion arequadratic equation

Answer 2

Answer:

look the step by step calculations of the given equations.